Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Neritimorpha
Ordo: Cycloneritida
Superfamilia: Hydrocenoidea
Familia: Hydrocenidae
Genus: Georissa
Species: G. anyiensis – G. bangueyensis – G. bauensis – G. borneensis – G. carinata – G. corrugata – G. gomantongensis – G. hosei – G. insulae – G. kinabatanganensis – G. monterosatiana – G. muluensis – G. purchasi – G. pyxis – G. saulae – G. scalinella – G. semisculpta – G. sepulutensis – G. silaburensis – G. similis – G. trusmadi
Name
Georissa H.F. Blanford, 1864
References
Template:Blanford, 1864
Khalik, M.Z., Hendriks, K., Vermeulen, J.J. & Schilthuizen, M. 2018. A molecular and conchological dissection of the “scaly” Georissa of Malaysian Borneo (Gastropoda, Neritimorpha, Hydrocenidae). ZooKeys 773: 1–55. DOI: 10.3897/zookeys.773.24878 Reference page.
Khalik, M.Z. & Hendriks, K.P., Vermeulen, J.J. & Schilthuizen, M. 2019. Conchological and molecular analysis of the “non-scaly” Bornean Georissa with descriptions of three new species (Gastropoda, Neritimorpha, Hydrocenidae). Zookeys 840: 35–86. DOI: 10.3897/zookeys.840.33326 Reference page.
Sutcharit, C., Thach, P., Chhuoy, S., Ngor, P.B., Jeratthitiku, E., Siriwut, W., Srisonchai, R., Ng, T.H., Pholyotha, A., Jirapatrasilp, P. & Panha, S. 2020. Annotated checklist of the land snail fauna from southern Cambodia (Mollusca, Gastropoda). ZooKeys, 948: 1–46. DOI: 10.3897/zookeys.948.51671 Open access Reference page.
Georissa is a genus of minute land snails, terrestrial gastropod mollusks in the family Hydrocenidae. Although the species are best known for living on the surface of limestone rocks, they are often also found in and on the vegetation and on non-calcareous rocks. One species, Georissa filiasaulae, is cavernicolous. It is only known from two caves in the Sepulut area of Sabah, Malaysian Borneo, where its above-ground sister species, Georissa saulae, inhabits the rocks outside of the cave, and is connected to the cave snail via narrow zones of hybridization at the cave entrances. Possibly, G. filiasaulae has evolved without ever having been fully separated from its ancestor, a process known as speciation-with-gene-flow.[2][3]
Species
Species within the genus Georissa include:
Georissa anyiensis Khalik, Hendriks, Vermeulen & Schilthuizen, 2018[4]
Georissa bangueyensis E. A. Smith, 1895
Georissa bauensis Khalik, Hendriks, Vermeulen & Schilthuizen, 2018[4]
Georissa biangulata Quadras & Möllendorff, 1894
Georissa borneensis E. A. Smith, 1895
Georissa elegans Quadras & Möllendorff, 1894
Georissa everetti E. A. Smith, 1895
Georissa filiasaulae Haase & Schilthuizen, 2007[5]
Georissa gomantongensis E.A. Smith, 1894
Georissa hadra Thompson & Dance, 1983
Georissa hosei Godwin-Austen, 1889
Georissa japonica Pilsbry, 1900[6]
Georissa kinabatanganensis Khalik, Hendriks, Vermeulen & Schilthuizen, 2018[4]
Georissa kobelti Gredler, 1902
Georissa laevigata Quadras & Möllendorff, 1894
Georissa laseroni (Iredale, 1937)
Georissa mawsmaiensis Das & Aravind, 2021
Georissa monterosatiana Godwin-Austen & Neville, 1879
Georissa muluensis Khalik, Hendriks, Vermeulen & Schilthuizen, 2018[4]
Georissa niahensis Godwin-Austen, 1889
Georissa pachysoma Vermeulen & Junau, 2007
Georissa purchasi
Georissa pyrrhoderma Thompson & Dance 1983
Georissa pyxis (Benson, 1856) - type species of the genus Georissa[5]
Georissa rufula von Möllendorf, 1900
Georissa saulae (van Benthem-Jutting, 1966)
Georissa scalinella (van Benthem-Jutting, 1966)
Georissa semisculpta
Georissa sepulutensis Khalik, Hendriks, Vermeulen & Schilthuizen, 2018[4]
Georissa shikokuensis Amano, 1939
Georissa silaburensis Khalik, Hendriks, Vermeulen & Schilthuizen, 2018[4]
Georissa similis E.A. Smith, 1894
Georissa vesta Thompson & Dance, 1983
Georissa williamsi Godwin-Austen, 1889 (including Georissa hungerfordi)
References
Blanford W. T. (1864). "On the Classification of the Cyclostomacea of Eastern Asia". Annals and Magazine of Natural History (3)13: 441-465, page 463.
Schilthuizen M., Rutten E. J. M. & Haase M. (2012). "Small-scale genetic structuring in a tropical cave snail and admixture with its above-ground sister species". Biological Journal of the Linnean Society 105: 727-740. doi:10.1111/j.1095-8312.2011.01835.x
Schilthuizen M., Cabanban A. S. & Haase M. (2005). "Possible speciation with gene-flow in tropical cave snails". Journal of Zoological Systematics 43: 133-138. doi:10.1111/j.1439-0469.2004.00289.133–138.
Khalik, Mohd Zacaery; Hendriks, Kasper; Vermeulen, Jaap J.; Schilthuizen, Menno (9 July 2018). "A molecular and conchological dissection of the "scaly" Georissa of Malaysian Borneo (Gastropoda, Neritimorpha, Hydrocenidae)". ZooKeys (773): 1–55. Bibcode:2018ZooK..773....1K. doi:10.3897/zookeys.773.24878. PMC 6048177. PMID 30026659.
Haase M. & Schilthuizen M. (2007). "A new Georissa (Gastropoda: Neritopsina: Hydrocenidae) from a limestone cave in Malaysian Borneo". Journal of Molluscan Studies 73(3): 215-221. doi:10.1093/mollus/eym020.
Noseworthy R. G., Lim N.-R. & Choi K.-S. (2007). "A Catalogue of the Mollusks of Jeju Island, South Korea". Korean Journal of Malacology 23(1): 65-104. PDF.
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