Karyotypes of Four Species and One Form of the Genus Semisulcospira (Neotaenioglossa: Pleuroceridae) in Lake Biwa

The karyotypes of four species and one form of the genus Semisulcospira in Lake Biwa, Japan were examined. The observed diploid chromosome number of each taxon was as follows: Semisulcospira niponica and S. niponica form biwae, 2n=26 (20M+4SM+2ST); S. decipiens, 2n=26 (22M+2SM+2ST); S. takeshimensis...

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Bibliographic Details
Published inVenus (Journal of the Malacological Society of Japan) Vol. 80; no. 3-4; pp. 77 - 86
Main Author Takami, Akihiro
Format Journal Article
LanguageJapanese
Published The Malacological Society of Japan 26.08.2022
日本貝類学会
Subjects
air-drying method
chromosome number
karyotypes
Lake Biwa
Semisulcospira
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ISSN1348-2955
2189-7697
DOI10.18941/venus.80.3-4_77

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Summary:The karyotypes of four species and one form of the genus Semisulcospira in Lake Biwa, Japan were examined. The observed diploid chromosome number of each taxon was as follows: Semisulcospira niponica and S. niponica form biwae, 2n=26 (20M+4SM+2ST); S. decipiens, 2n=26 (22M+2SM+2ST); S. takeshimensis, 2n=26 (18M+6SM+2ST); S. shiraishiensis, 2n=28 (18M+8SM+2T).
ISSN:1348-2955
2189-7697
DOI:10.18941/venus.80.3-4_77