Metaxia duplicarinata

Metaxia duplicarinata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Clade:	Hypsogastropoda
Family:	Triphoridae
Genus:	Metaxia
Species:	M. duplicarinata
Binomial name
	Metaxia duplicarinata; (Powell, 1940)
Synonyms
	Mendax duplicarinata;

Metaxia duplicarinata is a species of marine gastropod mollusc in the family Triphoridae.[1] It was first described by Baden Powell in 1940, under the name Mendax duplicarinata. It is endemic to the waters of New Zealand.

Description

Metaxia duplicarinata has a uniformly glossy white conical shell.[2] The nuclear whorls are slightly angular.[3] The species measures 4mm in height.[4]

It differs from Metaxia maoria by having four instead of five spirals per whorl.[2]

Distribution

The species is Endemic to New Zealand, around Manawatāwhi / Three Kings Islands and the Bay of Islands.[2][5]

References

Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2022). "Metaxia duplicarinata (Powell, 1940)". MolluscaBase. World Register of Marine Species. Retrieved 20 October 2022.
Marshall, B. A. (1979). "Additional dextral triphorids (Mollusca: gastropoda) from New Zealand". New Zealand Journal of Zoology. 6 (3): 97–404. doi:10.1080/03014223.1979.10428379.
Powell, A. W. B. (1940–41). "The Marine Mollusca of the Aupourian Province, New Zealand". Transactions of the Royal Society of New Zealand: Zoology. 70: 205–261 – via Papers Past.
"Metaxia duplicarinata". New Zealand Mollusca. Retrieved 20 November 2022.
Morley, Margaret S.; Hayward, Bruce W. (1999). "Inner Shelf Mollusca of the Bay of Islands, New Zealand, and their Depth Distribution". Records of the Auckland Museum. 36: 119–140.

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[WoRMS-1] Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2022). "Metaxia duplicarinata (Powell, 1940)". MolluscaBase. World Register of Marine Species. Retrieved 20 October 2022.

[Additional_dextral-2] Marshall, B. A. (1979). "Additional dextral triphorids (Mollusca: gastropoda) from New Zealand". New Zealand Journal of Zoology. 6 (3): 97–404. doi:10.1080/03014223.1979.10428379.

[Aupourian-3] Powell, A. W. B. (1940–41). "The Marine Mollusca of the Aupourian Province, New Zealand". Transactions of the Royal Society of New Zealand: Zoology. 70: 205–261 – via Papers Past.

[4] "Metaxia duplicarinata". New Zealand Mollusca. Retrieved 20 November 2022.

[5] Morley, Margaret S.; Hayward, Bruce W. (1999). "Inner Shelf Mollusca of the Bay of Islands, New Zealand, and their Depth Distribution". Records of the Auckland Museum. 36: 119–140.