Trigonulina novemcostata

Trigonulina novemcostata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Family:	Verticordiidae
Genus:	Trigonulina
Species:	T. novemcostata
Binomial name
	Trigonulina novemcostata; (A. Adams & Reeve, 1850)
Synonyms
	Hippagus novemcostatus A. Adams & Reeve, 1850 ; Trigonulina hancocki (F. R. Bernard, 1969) ; Trigonulina pacifica P. Jung, 1996 ; Verticordia (Trigonulina) hancocki F. R. Bernard, 1969 ; Verticordia hancocki F. R. Bernard, 1969 ; Verticordia novemcostata (A. Adams & Reeve, 1850) ;

Trigonulina novemcostata is a carnivorous bivalve in the family Verticordiidae.^[1] It is native to the South China Sea with 7–8 prominent ribs on its surface^[2] and ranges from about 0.7-5 millimeters in size^[3] in accordance with the unaccepted genus Hippagus it was originally described as. It is the only currently known species in the genus Trigonulina that lives outside of the western Atlantic Ocean,^[4] being found in the South China Sea^[1] and Pacific Ocean. This species has been observed between California and Peru^[5] as well as in Costa Rica.^[6] Malacologists currently debate if T. novemcostata is a separate species or a variant of T. ornata due to their similar appearances and habitat overlap.^[5]

References

^ ^a ^b ^c ^d "Trigonulina novemcostata". WoRMS. World Register of Marine Species. Retrieved 20 January 2023.
^ Adams, Arthur; Gray, John Edward; Hawkins, B. Waterhouse; Marryat, Frederick; Reeve, Lovell; Richardson, John; Sowerby, G. B.; White, Adam; Wing, William (1855). The Zoology of the voyage of H.M.S. Samarang, under the command of Captain Sir Edward Belcher, C.B., F.R.A.S., F.G.S., during the years 1843-1846. London: Reeve and Benham.
^ Lea, Isaac; Lea, Isaac (1833). Contributions to geology. Vol. 1833. Philadelphia: Carey, Lea and Blanchard.
^ "Trigonulina". WoRMS. World Register of Marine Species. Retrieved 20 January 2023.
^ ^a ^b Lutaenko, Konstantin A. (2020). "Valentich-Scott P., Coan E.V., Zelaya D. "Bivalve seashells of western South America. Marine bivalve mollusks from northern Perú to southern Chile"". Бюллетень Дальневосточного малакологического общества. 24 (1/2): 177–178. doi:10.24866/1560-8425/2020-24/177-178. ISSN 1560-8425.
^ Sibaja-Cordero, Jeffrey A.; Troncoso, Jesús S.; Cortés, Jorge (2012-10-10). "The LanceletAsymmetron lucayanumComplex in Cocos Island National Park, Pacific Costa Rica". Pacific Science. 66 (4): 523–528. doi:10.2984/66.4.9. ISSN 0030-8870. S2CID 85822925.

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[:0-1] "Trigonulina novemcostata". WoRMS. World Register of Marine Species. Retrieved 20 January 2023.

[:6-2] Adams, Arthur; Gray, John Edward; Hawkins, B. Waterhouse; Marryat, Frederick; Reeve, Lovell; Richardson, John; Sowerby, G. B.; White, Adam; Wing, William (1855). The Zoology of the voyage of H.M.S. Samarang, under the command of Captain Sir Edward Belcher, C.B., F.R.A.S., F.G.S., during the years 1843-1846. London: Reeve and Benham.

[3] Lea, Isaac; Lea, Isaac (1833). Contributions to geology. Vol. 1833. Philadelphia: Carey, Lea and Blanchard.

[4] "Trigonulina". WoRMS. World Register of Marine Species. Retrieved 20 January 2023.

[:1-5] Lutaenko, Konstantin A. (2020). "Valentich-Scott P., Coan E.V., Zelaya D. "Bivalve seashells of western South America. Marine bivalve mollusks from northern Perú to southern Chile"". Бюллетень Дальневосточного малакологического общества. 24 (1/2): 177–178. doi:10.24866/1560-8425/2020-24/177-178. ISSN 1560-8425.

[6] Sibaja-Cordero, Jeffrey A.; Troncoso, Jesús S.; Cortés, Jorge (2012-10-10). "The LanceletAsymmetron lucayanumComplex in Cocos Island National Park, Pacific Costa Rica". Pacific Science. 66 (4): 523–528. doi:10.2984/66.4.9. ISSN 0030-8870. S2CID 85822925.

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