Mioawateria extensa

Mioawateria extensa
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Clade:	Caenogastropoda
Clade:	Hypsogastropoda
Clade:	Neogastropoda
Superfamily:	Conoidea
Family:	Raphitomidae
Genus:	Mioawateria
Species:	M. extensa
Binomial name
	Mioawateria extensa; (Dall, 1881)
Synonyms[1]
	Defrancia streptophora Watson, R.B., 1881; Gymnobela blakeana extensa (Dall, 1881); Gymnobela judithae A. H. Clarke, 1989; Gymnobela streptophora Watson, 1881; Magnella extensa (Dall, 1881); Pleurotoma (Bela) blakeana extensa Dall, 1881 (basionym); Pleurotoma extensa Dall, 1881; Pleurotoma streptophora Watson, 1881; Pleurotomella (Gymnobela) extensa Dall, 1889;

Mioawateria extensa is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.[1]

Description

The length of the shell varies between 4 mm and 12.5 mm.

The shell is in most features like Pleurotomella normalis (Dall, 1881), but more elongated, with nine whorls, the revolving threads (except the sutural ones) obsolete except near the anterior end of the body whorl. With a tendency of the thread next the suture to be stronger and more strongly knobbed than (as in the normal form) the outer one. There are twenty to twenty-five transverse threads, more numerous and in large specimens hardly noticeable except near the suture. The spire is nearly equal to the body whorl and the aperture is about one third of the shell. [2]

Distribution

M. extensa can be found in Caribbean waters, ranging from the coast of Louisiana to Cuba.[3]

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References

Gymnobela extensa (Dall, 1881). Retrieved through: World Register of Marine Species on 29 March 2010.
Bulletin of the Museum of Comparative Zoology at Harvard College v 9-11 (1881-1885) This article incorporates text from this source, which is in the public domain.
Tunnell, John W., Jr., Felder, Darryl L., & Earle, Sylvia A., eds. Gulf of Mexico Origin, Waters, and Biota, Volume 1: Biodiversity. Texas A&M University Press, 2009. 668.

External links

Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.
Morassi M. & Bonfitto A. (2013) Three new bathyal raphitomine gastropods (Mollusca: Conoidea) from the Indo-Pacific region. Zootaxa 3620(4): 579–588
Gastropods.com: Mioawateria extensa

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[WoRMS-1] Gymnobela extensa (Dall, 1881). Retrieved through: World Register of Marine Species on 29 March 2010.

[2] Bulletin of the Museum of Comparative Zoology at Harvard College v 9-11 (1881-1885) This article incorporates text from this source, which is in the public domain.

[3] Tunnell, John W., Jr., Felder, Darryl L., & Earle, Sylvia A., eds. Gulf of Mexico Origin, Waters, and Biota, Volume 1: Biodiversity. Texas A&M University Press, 2009. 668.