Semisulcospira Explained

Semisulcospira is a genus of freshwater snails with an operculum, an aquatic gastropod molluscs in the family Semisulcospiridae.^{[1] [2]}

Species in the genus Semisulcospira are viviparous.^[3]

Species

Species within the genus Semisulcospira include:

• Semisulcospira arenicola Watanabe & Nishino, 1995
• Semisulcospira calculus (Reeve, 1859)
• Semisulcospira coreana (Martens, 1886)
• Semisulcospira crassicosta Y.-Y. Liu, Y.-X. Wang & Y.-H. Duan, 1994
• Semisulcospira davisi Sawada & Nakano, 2021
• Semisulcospira decipiens (Westerlund, 1883)
• Semisulcospira diminuta Gredler, 1887^[4]
• Semisulcospira dilatata Watanabe & Nishino, 1995
• † Semisulcospira fiscina (Yokoyama, 1932)
• Semisulcospira fluvialis Watanabe & Nishino, 1995
• Semisulcospira forticosta (Martens, 1886)^[3]
• Semisulcospira fuscata Watanabe & Nishino, 1995
• † Semisulcospira gamoensis Matsuoka & Miura, 2019
• Semisulcospira gottschei (Martens, 1886)^[3]
• Semisulcospira gredleri (Boettger, 1886)^[5]
• Semisulcospira habei Davis, 1969^[6]
  • Semisulcospira habei yamaguchi Davis, 1969^[6]
• Semisulcospira hongkongensis Brot, 1874^[4]
• † Semisulcospira kokubuensis Matsuoka & Miura, 2018
• Semisulcospira kurodai Kajiyama & Habe, 1961^{[3] [6]}
• Semisulcospira libertina (Gould, 1859)^{[3] [6]}
• Semisulcospira marica Y.-Y. Liu, Y.-X. Wang & W.-Z. Zhang, 1994
• Semisulcospira morii Watanabe, 1984^[4]
• Semisulcospira multigranosa (Boettger, 1886)^[6]
• † Semisulcospira nagiensis (Matsuoka & Taguchi, 2013)
• † Semisulcospira nakamurai Matsuoka & Miura, 2018
• Semisulcospira nakasekoae Kuroda, 1929^[6]
• Semisulcospira ningpoensis (I. Lea, 1857)
• Semisulcospira niponica (Smith, 1876)^[6]
• † Semisulcospira nojirina Matsuoka & Miura, 2019
• Semisulcospira ourense Watanabe & Nishino, 1984^[4]
• Semisulcospira pacificans (Heude, 1888)^[4]
• Semisulcospira pleuroceroides (Bavay & Dautzenberg, 1910)
• † Semisulcospira praemultigranosa Matsuoka, 1985
• † Semisulcospira pseudomultigranosa Matsuoka & Miura, 2018
• † Semisulcospira pusilla Matsuoka & Miura, 2018
• Semisulcospira reiniana (Brot, 1876)^[6]
• Semisulcospira reticulata Kajiyama & Habe, 1961^[6]
• † Semisulcospira reticulataformis Matsuoka & Miura, 2019
• Semisulcospira rugosa Watanabe & Nishino, 1995
• Semisulcospira shiraishiensis Watanabe & Nishino, 1995
• † Semisulcospira spinulifera Matsuoka & Miura, 2018
• † Semisulcospira tagaensis Matsuoka & Miura, 2019
• Semisulcospira takeshimensis Watanabe & Nishino, 1995
• Semisulcospira tegulata (Martens, 1894)^[3]
• Semisulcospira trachea (Westerlund, 1883)

"Semisulcospira libertina species complex" consist of four species: Semisulcospira libertina, Semisulcospira reiniana, Semisulcospira kurodai and Semisulcospira trachea.^[7]

Synonyms:

• Semisulcospira dolichostoma Annandale, 1924: synonym of Koreoleptoxis dolichostoma (Annandale, 1924) (original combination)
• Semisulcospira inflata Tchang, 1949: synonym of Hua textrix (Heude, 1889) (junior synonym)
• Semisulcospira paludiformis Yen, 1939: synonym of Sulcospira paludiformis (Yen, 1939) (original combination)
• Semisulcospira paucicincta (E. von Martens, 1894): synonym of Semisulcospira calculus (Reeve, 1859) (junior synonym)
• † Semisulcospira recticancellata Kobayashi & Suzuki, 1939: synonym of † Pachychilus recticancellata (Kobayashi & Suzuki, 1939)
• Semisulcospira trivolvis Yen, 1939: synonym of Sulcospira paludiformis (Yen, 1939) (possible synonym)

Ecology

Semisulcospira snails predate also on eggs of bluegill Lepomis macrochirus.^[8]

Uses

Semisulcospira snails are used in some forms of cuisine. In Korean cuisine, they are used to flavor a type of congee (juk), called olgaengi juk.

References

• Yen, T.-C. (1939). Die chinesischen Land- und Süßwasser-Gastropoden des Natur-Museums Senckenberg. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft. 444: 1–233, pl. 1–16. Frankfurt am Main.
• Oniwa K. & Kimura M. (1986). "Genetic variability and relationships in six snail species of the genus Semisulcospira". The Japanese journal of genetics 61(5): 503–514. CiNii.
• Wenz, W. (1938-1944). Gastropoda. Teil 1: Allgemeiner Teil und Prosobranchia. xii + 1639 pp. In: Schindewolf, O.H. (Ed.) Handbuch der Paläozoologie, Band 6. Bornträger, Berlin. Lief. 1, 1-240

External links

• Search for Semisulcospira at CiNii
• Boettger, O. (1886). Zur Kenntniss der Melanien Chinas und Japans. Jahrbücher der Deutschen Malakozoologischen Gesellschaft. 13: 1-16
• Matsuoka, K. (1985). Pliocene freshwater gastropods from the Iga Formation of the Kobiwako Group, Mie Prefecture, Central Japan. Transactions and Proceedings of the Palaeontological Society of Japan, new series. 139: 180-195
• Abbott, R. T. (1948). Handbook of Medically Important Mollusks of the Orient and the Western Pacific. Bulletin of the Museum of Comparative Zoology at Harvard College. 100 (3): 245-328
• Du, L.-N. (Li-Na); Köhler, F.; Yu, G.-H. (Guo-Hua); Chen, X.-Y.(Xiao-Yong); Yang, J.-X. (Jun-Xing). (2019). Comparative morpho-anatomy and mitochondrial phylogeny of the Semisulcospiridae of Yunnan, southwestern China, with description of four new species (Gastropoda, Cerithioidea). Invertebrate systematics. 33: 825-848

Notes and References

1. MolluscaBase eds. (2022). MolluscaBase. Semisulcospira O. Boettger, 1886. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=741120 on 2022-05-23
2. Lee, T., Hong, H. C., Kim, J. J., & Ó Foighil, D. (2007). Phylogenetic and taxonomic incongruence involving nuclear and mitochondrial markers in Korean populations of the freshwater snail genus Semisulcospira (Cerithioidea: Pleuroceridae). Molecular Phylogenetics and Evolution, 43(2), 386–397. https://doi.org/10.1016/j.ympev.2007.02.018
3. Strong E. & Köhler F. (2009). "Morphological and molecular analysis of "Melania" jacqueti Dautzenberg & Fischer, 1906: from anonymous orphan to critical basal offshoot of the Semisulcospiridae (Gastropoda: Cerithioidea)". Zoologica Scripta 38(5): 483-502.
4. The IUCN Red List of Threatened Species. Version 2015-3. . Downloaded on 11 November 2015.
5. Prozorova L. A. & Rasshepkina A. V. (2005). "On the reproductive anatomy of Semisulcospira (Cerithioidea: Pleuroceridae: Semisulcospirinae)". The Bulletin of the Russian Far East Malacological Society 9: 123–126. PDF.
6. Davis G. M. (1969). "A taxonomic study of some species of Semisulcospira in Japan (Mesogastropoda: Pleuroceridae)". Malacologia 7: 211-294.
7. Matsuoka K. & .野尻湖貝類グループ (1982) (Fossil Mollusc Research Group for Noiiri-ko Excavation). "野尻湖層産カワニナ胎児殼化石について : 現生カワニナとの比較研究 "On the fossil embryonic shell of Semisulcospira libertina (GOULD) (Mesogastropoda: Pleuroceridae) from the latest Pleistocene Nojiri-ko Formation, Nagano Prefecture, Central Japan: A comparative study of recent and fossil Semisulcospira". 地球科學 Chikyu kagaku [Earth science] 36(4), 175-184. CiNii.
8. Nakao H., Kawabata T., Fujita K., Nakai K. & Sawada H. (2006). "Predation on bluegill (Lepomis macrochirus) broods by native snails. Japanese Journal of Ichthyology 53(2): 167–173. PDF.