Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：Japanese Society of Systematic Zoology   Participation form：Joint(The vice charge)  

The dicrocoeliid trematode Lutztrema attenuatum (Dujardin,
1845) has been reported from its definitive hosts, passerine
birds worldwide, whereas its larvae have never been detected
in natural fields. In this study, 41 adults of Lu. attenuatum were
obtained from dead specimens of Turdus pallidus Gmelin,
1789 and T. eunomus Temminck, 1831, and the partial sequence
of the mitochondrial COI gene and nuclear 28S rDNA
were determined from one of the specimens as DNA barcodes.
Furthermore, during a land snail survey in Tokyo, Japan on 11
August 2021, dicrocoeliid sporocysts and cercariae were detected
from the achatinid Allopeas satsumense (Pilsbry, 1906).
The partial COI sequence of the sporocysts showed a p-distance
value of less than 1.4% to that of the adult Lu. attenuatum.
The sporocyst was identified molecularly as Lu. attenuatum
based on an empirical intraspecific genetic variation in
dicrocoeliids, and thus A. satsumense found to be its first intermediate
host. We also provided DNA barcodes to an adult
specimen of Lyperosomum sp. (Dicrocoeliidae) detected from
the same dead specimen of T. pallidus.

DOI： doi.org/10.19004/taxa.54.0_59

Language：English   Publishing type：Research paper (scientific journal)   Publisher：Parasitology International  

Echinoparyphium aconiatum (Digenea: Echinostomatidae) is an intestinal parasite of anatid and snail-eating birds. In Eurasia, it is also common in lymnaeid snails, which may serve as the first and second intermediate hosts. The systematics of its genus, Echinoparyphium, have long been inadequate, with poor descriptions and extensive synonymy. To provide a basis for developing new genetic markers for studies of the identification and systematics of echinostomatids, the complete Ep. aconiatum mitogenome is described and compared with other digeneans. The circular mt molecule of this species is 14,865 bp in length, with an average A + T content of 64.33%. It contains 12 protein-coding genes and 22 transfer RNA genes. The 3′ end of nad4L overlaps the 5′ end of nad4 by 40 bp, while the atp8 gene is absent. Twenty-one transfer RNA genes transcribe products with conventional cloverleaf structures, while one transfer RNA gene has unpaired D-arms. Comparative analyses indicate that Echinoparyphium aconiatum is closely related to Echinochasmus japonicus and Echinostoma miyagawai. The phylogenetic results, using our mitochondrial data indicated Ep. aconiatum as a sister taxon of Hypoderaeum conoideum in a monophyletic clade. Our data and analyses serve as the first representative sequenced mt genome from genus Echinoparpyhium, providing additional markers to clarify the taxonomic position of Ep. aconiatum.

DOI： 10.1016/j.parint.2022.102682

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The new nematode species, Falcaustra hanzaki n. sp. and Urodelnema takanoensis n. sp. (Cosmocercoidea: Kathlaniidae), were found from the intestine of giant salamanders in Kyoto Prefecture, Japan. The first species is featured by the number and arrangement of caudal papillae (3 pairs of precloacal papillae, 8 pairs of postcloacal papillae and a single ventral precloacal papilla), the presence of a single pseudosucker, spicules equal in size (520–638 μm long), and V-shaped gubernaculum in males; vulva situated about 3/5 of a body in females. The second species is characterized by the number and arrangement of caudal papillae (5 pairs of precloacal papillae, 6 pairs of postcloacal papillae and a single ventral precloacal papilla), spicules equal in size (403–593 μm long), V-shaped gubernaculum in males; vulva situated about 3/5 of a body in females. The molecular phylogenetic analysis was performed using the partial 18S and 28S ribosomal DNA and the internal transcribed spacers 1 region in the nuclear DNA. This phylogenetic study raised a question about the validity of Family Kathlaniidae and related families of Cosmocercoidea.

DOI： 10.1016/j.parint.2022.102693

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In 2019 to 2021, the golden mussel Limnoperna fortunei and several freshwater fishes were sampled from 22 sites of the Tone River system including Lake Kasumigaura, Honshu, Japan, to examine the invasion of bucephalid trematodes. The parasite species identification was performed by morphological observation and DNA barcoding based on the sequences of nuclear 28S rDNA and mitochondrial cytochrome c oxidase subunit 1 (cox1). A total of 1719 mussels were collected from 10 sites, and trematode-infected mussels were detected from 8 sites with prevalences between 0.3 and 42.9%. The sporocysts and cercariae were identified as Prosorhynchoides ozakii, a newly introduced species in the river system. A total of 700 fish individuals belonging to 24 species were collected from 15 sites. Two species of catfishes (Silurus asotus and Ictalurus punctatus) harbored mature or immature adults of Pr. ozakii in the intestine with prevalences between 8.3 and 20% including both host species. The metacercariae of Pr. ozakii were found from the fins and epidermis of 13 fish species from 10 sites (prevalence 4.8-100%). Fishes were heavily infected with metacercariae in fins, which were surrounded by the infiltration of hemocytes and rodlet cells. A population genetic analysis of Pr. ozakii did not show an obvious bottleneck, suggesting the possibility that the parasite was intentionally and repeatedly introduced into the river system.

DOI： 10.3354/dao03698

Language：English   Publishing type：Research paper (scientific journal)   Publisher：Parasitology International  

The genus Rhabdias Stiles & Hassall, 1905 comprises lung parasites of amphibians and reptiles worldwide. In Japan, 9 species have been recorded, including Rhabdias incerta Wilkie, 1930 which has been reported only in Bufo species. In this study, to assess the diversity of R. incerta, we performed molecular analyses of Rhabdias species sampled from three species/subspecies of Japanese toads namely Bufo japonicus, B. japonicus formosus, and B. torrenticola, collected in various regions of Honshu, Shikoku, and Kyushu, Japan. DNA sequence divergence was compared using mtDNA (COI) and nuclear DNA (28S) to identify possible cryptic species. Morphological analysis was performed through light microscopy and scanning electron microscopy (SEM). The results revealed that Bufo spp. serve as hosts for at least three Rhabdias species. Morphologically, most samples were identified as R. incerta but with a longer body and larger buccal cavity than originally described. Rhabdias incerta appears to be specific to the genus Bufo and is further subdivided into two or three phylogroups based on subspecies divisions and biogeography of their host. Some Rhabdias specimens collected in this study resemble R. tokyoensis Wilkie, 1930, parasitic in hosts from the order Caudata, which suggests host switching. Both molecular and morphological analyses suggested the presence of undescribed and cryptic Rhabdias species within toads collected in Japan. This study was the first to molecularly characterize Rhabdias species in Japan, including novel sequences of R. incerta and two undescribed species.

DOI： 10.1016/j.parint.2022.102612

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We found juveniles of Paragonimus in the urinary bladder of a Japanese toad (Bufo japonicus formosus) captured in Kyoto. These were molecularly identified as Paragonimus skrjabini miyazakii Kamo, Nishida, Hatsushika et Tomimura 1961. This is the first report of P. s. miyazakii found in anuran hosts in Japan, indicating that anurans can be paratenic hosts of P. s. miyazakii, as is also the case for Paragonimus skrjabini skrjabini in China. This finding suggests that definitive hosts of P. s. miyazakii can be infected by eating not only crabs or mammal paratenic hosts, but also anurans.

DOI： 10.1016/j.parint.2021.102474

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Systematic Parasitology  

In July 2012 new Allocreadium species was isolated from Carassius gibelio caught in the Arsenyevka River, Primorsky region, Russia. Analyses on the morphometrics and internal organs′ topology revealed that these worms are morphologically closest with A. isoporum but both species are independent according to high genetic distances based on the 28S gene fragment (5.434±0.0073%). Unlike A. isoporum found earlier in Europe, the new species named A. pseudoisoporumsp. nov. has a shorter body length and the vitellarium not reaching the posterior end of the body at some distance and its anterior border is on the level of the ventral sucker. Allocreadium pseudoisoporumsp. nov. differs from seven species previously found in the Russian Far East with the following features: smaller size of the body, suckers′ ratio, range values, and topology of internal structures. Newly localities in the Pavlovka River and the Artyomovka River were discovered for A. khankaiensis. Morphological variability of the worms from the Pavlovka River was observed in comparison with A. khankaiensis from the Komissarovka River. Using scanning electron microscope, we examined external surfaces of three species (A. pseudoisoporumsp. nov., A. khankaiensis, A. hemibarbi) and observed structures reminiscent sensory receptors. This study was aimed to describe species diversity of allocreadiids inhabiting the south of Primorsky region, and to clarify phylogenetic relationships between the species from the genus Allocreadium Looss, 1900 using molecular genetic methods. The phylogenetic Bayesian tree based on the 28S gene showed a clear separation of ten Allocreadium species and confirmed the validity of A. pseudoisoporumsp. nov.Allocreadium pseudoisoporumsp. nov. is most similar to A. gotoi (genetic distances – 3.578±0.0051% in 28S, and 18.777±0.0149% in cox1), and represented the earliest divergent lineage in Allocreadium clade on the phylogenetic tree based on the 28S gene, thereby indicating its proximity to the ancestral node. Also, dichotomous keys for 25 Palearctic species of Allocreadium were prepared based on the morphology of the adult worms.

DOI： 10.1007/s11230-022-10081-1

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Language：Japanese   Publishing type：Research paper (conference, symposium, etc.)   Publisher：日本陸水学会近畿支部会   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)   Publisher：Parasitology  

New data have been obtained for three representatives of Exorchis; Exorchis convictus sp. n., Exorchis oviformis and Exorchis sp., from fish in the East-Asian region. For the first time, based on combined sequences of the ITS2 rDNA region and the 28S rRNA gene, Exorchis is confirmed to belong Cryptogonimidae. Based on analysis of a mitochondrial marker (cox1), the 'Japanese' and 'Russian' haplogroups are identified for E. oviformis isolated from Silurus asotus. One specimen of E. oviformis obtained in Japan is identical to the 'Russian' haplotype. Haplotype patterns are also observed for metacercariae of Exorchis sp. from Tanakia lanceolata and Carassius sp. fish in Kyushu Island (Japan).

DOI： 10.1017/S0031182021001232

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Parasitology International  

Current article touched upon the issue of the complicated taxonomic status of some species from the genus Crepidostomum collected from the freshwater fish in the rivers of Primorsky region, Sakhalin, and Hokkaido Islands. Primary morphological analyses showed affiliation of the worms to the species C. farionis (Müller, 1784) Lühe, 1909; C. metoecus Braun, 1900b; C. chaenogobii Yamaguti and Matsumura, 1942; C. nemachilus Krotov, 1959. We described the new species Crepidostomum achmerovi sp. nov. that is a sibling species of C. nemachilus. Molecular-genetic investigation have shown that C. nemachilus and C. achmerovi sp. nov. are closely related to C. metoecus in both 28S rDNA and cox1 mtDNA markers. Crepidostomum nemachilus forms a separate branch within the C. metoecus clade on the 28S BI tree with strong statistical support and separate clade in relation to C. metoecus clade on the cox1 BI tree. Values of p-distances between Crepidostomum species were at intergeneric level. Crepidostomum metoecus species complex including five species (C. metoecus, C. nemachilus, C. oschmarini, C. brinkmanni, and C. achmerovi sp. nov.) was reconsidered as independent genus Crepidostomum sensu stricto. Minimum Spanning Network showed that C. nemachilus, C. metoecus and C. achmerovi sp. nov. were separated by large number of mutational events and represent independent phyletic lines. An amended diagnosis is provided for the subfamily Crepidostomatinae, the genera Crepidostomum s. str. and Stephanophiala Nicoll, 1909, along with keys to species of both genera.

DOI： 10.1016/j.parint.2021.102412

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Parasitology Research  

A new hemiuroidean species, Genarchella pichileufuensis n. sp. (Derogenidae: Halipeginae), was found in the stomach of the siluriform freshwater fish, Hatcheria macraei (Girard, 1855), in the Pichileufu River, Patagonia, Argentina. Its rediae with immature cystophorous cercariae were found in the snail Heleobia hatcheri (Pilsbry, 1911) in the same site. The present new species is morphologically featured by having a cyclocoel in the hindbody unlike the other species of the genus. The characteristics of this species allowed us to amend the diagnosis of the genus Genarchella as follows: cyclocoel present or absent; testes symmetrical to tandem; ootype pouch present. In the phylogenetic analysis, G. pichileufuensis forms a well-supported clade with Genarchella spp. recovered from Mexican freshwater fishes. This clade is included in the cluster of representatives of the subfamily Halipeginae. So far, three hemiuroidean species, Thometrema patagonica (Szidat, 1956), Derogenes lacustris Tsuchida, Flores, Viozzi, Rauque et Urabe, 2021 and G. pichileufuensis n. sp., have been reported from freshwater fishes in Argentinean Patagonia.

DOI： 10.1007/s00436-021-07210-y

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A new trematode species, Derogenes lacustris Tsuchida, Flores, Viozzi, Rauque et Urabe n. sp. (Derogenidae: Derogeninae), from freshwater fishes is described using morphological and molecular approaches in Argentinean Patagonia. D. lacustris is the most common hemiuroidean species in the Limay River basin and parasitizes almost all the native and introduced Patagonian freshwater fish. This new species could be considered as the unique freshwater species in the genus Derogenes Nicoll, 1910. Another hemiuroidean species, Thometrema patagonica Szidat (Archiev Hydrobiol 51: 542–577, 1956) Lunaschi et Drago 2000 (Derogenidae: Halipeginae), is found from Percichthys trucha (Perciformes) in the Neuquén River basin. Its diagnosis and molecular data are provided by the present study. In the molecular analysis of the Patagonian hemiuroideans, T. patagonica composes a group with halipeginean species in the phylogenetic tree of 28S rDNA sequences, while D. lacustris is not included in the same group. D. lacustris also shows low intraspecific variation in COI sequences regardless of the localities or host species.

DOI： 10.1007/s00436-020-06939-2

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Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The vice charge)  

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The vice charge)  

DOI： 10.1017/S0031182021001736

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The vice charge)  

Biogeography and genetic variation of freshwater organisms are influenced not only by current freshwater connections but also by past drainage networks. The Seto Inland Sea is a shallow enclosed sea in Japan, but geological evidence showed that a large freshwater drainage had intermittently appeared in this area between the late Pliocene and Pleistocene. Here, we demonstrated that this paleodrainage greatly affected the genetic variation of the East Asian freshwater snails, Semisulcospira spp. We found that the mtDNA haplotypes originated in the Lake Biwa endemic Semisulcospira species at the upstream side of the paleodrainage were frequently observed in the riverine Semisulcospira species at its downstream side. The genome-wide DNA and morphological analyses consistently showed that there was no clear evidence of nuclear introgression between the Lake Biwa endemics and riverine species. These results suggest that the large paleodrainage had facilitated mitochondrial introgression and had broadly spread the introgressed mtDNA haplotypes to its downstream region around the Seto Inland Sea. Our study highlights the role of paleodrainages in shaping the genetic variation of freshwater organisms.

DOI： 10.1002/ece3.6523

Other Link： https://onlinelibrary.wiley.com/doi/full/10.1002/ece3.6523

Language：English   Publishing type：Research paper (scientific journal)   Publisher：日本寄生虫学会   Participation form：Joint(The main charge)  

We describe Morishitium polonicum malayense n. subsp. from Asian glossy starlings (Aplonis panayensis strigata) (Horsfield, 1821) (Passeriformis: Sturnidae) caught in Malaysia. The trematodes had parasitized the air sacs and the thoracic and body cavities of 40 out of 67 (59.7%) birds examined. The specimens each had an oral sucker, a postpharyngeal genital pore, and tandem testes, but lacked a ventral sucker. The morphological characteristics of our specimens were similar to those of M. polonicum polonicum (Machalska, 1980) from Poland. However, the anterior extremity of vitelline follicles of the present specimens sometimes extended to the level of pharynx. The oral sucker width, oral sucker width/pharynx width ratio, and intertesticular space metrics differed from those of M. p. polonicum. The maximum-likelihood trees based on the cytochrome c oxidase subunit I (COI) and the internal transcribed spacer 2 (ITS2) sequences indicated that the species from the present study formed a sister group with M. p. polonicum from the Czech Republic. The p-distances of COI and ITS2 sequences between the present specimens and M. p. polonicum from the Czech Republic were 6.9–7.5% and 0.6%, respectively. These genetic divergences indicate the border for intra- or interspecific variation of digeneans. The definitive host species and geographical distribution of the current specimens were distinct from those of M. p. polonicum from Europe. We thus concluded that the present specimens are ranked as a new subspecies of M. polonicum, namely M. polonicum malayense n. subsp.

DOI： 10.1016/j.parint.2020.102074

Language：English   Publishing type：Research paper (scientific journal)   Publisher：日本陸水学会   Participation form：Joint(The main charge)  

Contrary to a general rule of stable isotope trophic discrimination, parasites show great variation in isotope discrimination from their host muscle tissues. One of the possible mechanisms is that isotopic variation among host tissues may cause apparent deviation from the actual isotope discrimination between a parasite and a given host tissue consumed by the parasite. To test this possibility, we measured δ15N and δ13C for some fish parasites and a variety of their host tissues to estimate their actual trophic discrimination factors (Δ). All of the trematodes investigated showed positive Δ15Ν values and nearly zero Δ13C values, which are comparable to those of free-living consumers. Cestodes and nematodes showed great variations in their Δ15Ν and Δ13C values when they were compared to a particular tissue/mucus of their infection site. Acanthocephalans showed negative Δ15Ν and Δ13C values in comparison with host intestinal mucus, and a crustacean had δ values similar to those of host blood. Even in parasites infected to intestine, Δ15Ν and Δ13C values varied among higher taxa. These results suggested that atypical 15N and 13C enrichment of parasites is not caused by the variation in δ values among host tissues, but possibly by metabolic processes unique to each parasite taxon.

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DOI： 10.14411/fp.2020.018

Language：English   Publishing type：Research paper (scientific journal)   Publisher：日本寄生虫学会   Participation form：Joint(The vice charge)  

We performed the first host-parasite survey of the Philippine crocodile, Crocodylus mindorensis, a critically endangered species for which ecological information is lacking. We collected by gastric lavage samples of the stomach contents of crocodiles (n = 10) residing at the Palawan Wildlife Rescue and Conservation Center in Puerto Princesa, Palawan, Philippines. The only parasite detected was an acanthocephalan, which was identified as Neorhadinorhynchus nudus (n = 68), a parasite typically found in the marine fish species consumed by three crocodile individuals. Given the known hosts of N. nudus, its parasitism of C. mindorensis in captivity is likely established by consumption of marine fish. Our findings have implications for the conservation management of C. mindorensis, particularly in terms of preventing introduction of parasites that could lead to development of infectious disease or alter the fitness of captive animals.

DOI： 10.1016/j.parint.2019.101940

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A detailed morphological description and ribosomal DNA (rDNA) sequence molecular data for Aspidogaster ijimai from Japan are provided. Morphological analysis, including a description of the cirrus-sac, indicate the conspecificity of Japanese and continental East Asian A. ijimai specimens. Analysis of ITS1-5.8S-ITS2 rDNA sequences of Japanese, Chinese and Russian specimens confirmed the morphological results. Phylogenetic analysis using ITS rDNA sequences confirmed that A. ijimai is a sister species for Aspidogaster chongqingensis. Median-joining network analysis showed an initial molecular differentiation step of Russian specimens from group of Japanese-Chinese samples. Our 28S rDNA results based on maximum likelihood (ML) and Bayesian (BI) phylogenetic analyses indicated well-supported monophyly of the Aspidogaster conchicola + A. ijimai group, a finding that indicates that these species are congeneric. At the same time, our data demonstrated that the genus Lobatostoma is paraphyletic and the family Aspidogastridae is polyphyletic, results that confirm previous studies.

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© Cambridge University Press 2018. In the present paper, the phylogenetic relationships between genera, subfamilies and families of the Hemiuroidea are explored. Twelve new sequences of 28 rDNA and data taken from GenBank (NSBI) on 43 species affiliated to 34 genera were included in the analysis. Most of the hemiuroidean trematodes form two highly supported clades (A and B), which are sister groups to each other. Hemipera manteri joined with Gonocerca spp. with moderate statistical support. This clade is basal relative to the clades A and B. Dilade A is polytomic and contains representatives of the families Accacoeliidae, Syncoeliidae, Didymozoidae, Hirudinellidae and Sclerodistomidae, and derogenid subfamilies Derogeninae and Halipeginae. At the same time, the Syncoeliidae, Hirudinellidae and Accacoeliidae form a well-supported monophyletic group. The phylogenetic relationship between Derogeninae and Halipeginae is poorly resolved. Dilade B unites the isoparorchiid, bunocotylid, lecithasterid and hemiurid trematodes. Our data re-establishes the family Bunocotylidae, which consists of two subfamilies, Opisthadeninae and Bunocotylinae, and the Machidatrema chilostoma + Hysterolecithoides frontilatus group. The Bunocotylidae is the sister group to the Hemiuridae + Lecithasteridae group and the Isoparorchiidae is a basal relative to the representatives of these three hemiuroid families.

DOI： 10.1017/S0031182018001841

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DOI： DOI:10.1002/evI3.92

Language：Japanese   Publishing type：Research paper (scientific journal)   Participation form：Joint(The vice charge)  

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Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The vice charge)  

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The vice charge)  

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Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

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DOI： 10.1007/s10201-013-0420-1

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Malacological Society, UK   Participation form：Joint(The vice charge)  

DOI： 10.1093/mollus/eyu053

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Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：関西自然保護機構   Participation form：Joint(The vice charge)  

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DOI： 10.1016/j.parint.2011.02.002

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DOI： 10.1016/j.parint.2011.02.002

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Language：Japanese   Publishing type：Research paper (other academic)   Publisher：寄生虫分類形態談話会  

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Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

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DOI： 10.1007/s12562-008-0002-z

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DOI： 10.3739/rikusui.68.491

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Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)   Publisher：関西自然保護機構   Participation form：Joint(The vice charge)  

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Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：日本水環境学会   Participation form：Joint(The vice charge)  

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：日本水環境学会   Participation form：Joint(The vice charge)  

Language：English   Publishing type：Research paper (bulletin of university, research institution)   Participation form：Joint(The vice charge)  

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Language：English   Publishing type：Research paper (scientific journal)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The vice charge)  

Language：English   Publishing type：Research paper (scientific journal)   Publisher：American Society of Parasitologists   Participation form：Joint(The vice charge)  

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)  

Language：English   Publishing type：Research paper (other academic)   Publisher：財団法人　土木研究センター   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier  

Language：English   Publishing type：Research paper (scientific journal)  

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：関西自然保護機構   Participation form：Joint(The main charge)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)  

Language：English   Publishing type：Research paper (scientific journal)   Publisher：Kluwer Academic Publishers   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)  

Language：English   Publishing type：Research paper (scientific journal)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Participation form：Joint(The main charge)  

Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：奈良陸水生物研究会   Participation form：Joint(The main charge)  

Language：English   Publishing type：Research paper (scientific journal)  

Language：English   Publishing type：Research paper (bulletin of university, research institution)   Publisher：日本貝類学会  

Language：Japanese   Book type：General book, introductory book for general audience

Responsible for pages：91-109   Language：Japanese   Book type：Textbook, survey, introduction

Total pages：-   Language：Japanese   Book type：Scholarly book

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：帯広市  

Language：Japanese   Presentation type：Symposium, workshop panel (nominated)  

Venue：オンライン開催  

Language：English   Presentation type：Poster presentation  

Venue：ノボシビルスク市  

Language：English   Presentation type：Poster presentation  

Venue：オンライン開催  

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：奈良市  

Language：English   Presentation type：Oral presentation (general)  

Venue：奈良市  

Language：Japanese   Presentation type：Poster presentation  

Venue：オンライン開催  

Language：Japanese   Presentation type：Poster presentation  

Venue：誌上開催  

Language：English   Presentation type：Poster presentation  

Venue：誌上開催