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Sukashitrochus morleti

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Sukashitrochus morleti
Shell of Sukashitrochus morleti (lectotype at MNHN, Paris)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Lepetellida
Family: Scissurellidae
Genus: Sukashitrochus
Species:
S. morleti
Binomial name
Sukashitrochus morleti
(Crosse, 1880) [1]
Synonyms[2]
  • Schismope morleti Crosse, 1880
  • Sinezona morleti (Crosse, 1880)
  • Sukashitrochus indonesicus Bandel, 1998
  • Sukashitrochus simplex Bandel, 1998

Sukashitrochus morleti is a species of minute sea snail, a marine gastropod mollusc in the family Scissurellidae.[2]

Description

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The shell is broadly and profoundly umbilicated. It has a turbinate-depressed shape. It is transversely strongly cristate-carinate, longitudinally subobliquely striate, except on the carina. The shell is thin, rather translucent, unicolored in dull whitish. The spire is very short and depressed. The apex is planate. The suture is linear. The 3½ subplane whorls increase rapidly. The large body whorl is descending. It is turbinated, quadricarinate, and constricted between the carinae. The first, second and third carinae come out strong and prominent. The interstices are concave, and subobliquely striated. The fourth carina is much smaller, and basal. The fissure is situated in the first carina a short distance from the lip. It is oblong, scarcely attaining the edge of the lip. The umbilicus is concentrically striate, but smooth within. The aperture is irregularly subquadrate-ovate. The peristome is simple, its margins joined by a very thin callus. The thin columellar margin is filiform, and subarcuate. The basal and outer margins are subacute.[3]

Distribution

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This species occurs in the Pacific Ocean off New Caledonia.

References

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  1. ^ Crosse, Journ. de Conch. 1880, p. 114, t. 4, f. 3.
  2. ^ a b Sukashitrochus morleti(Crosse, 1880). Retrieved through: World Register of Marine Species on 24 March 2013.
  3. ^ G.W. Tryon (1890), Manual of Conchology vol. XII (described as Schismope morleti)
  • Bandel (1998). Mitt. Geol.-Pal. Inst. Univ. Hamburg 81 : 1–119
  • Geiger D.L. & Jansen P. (2004). New species of Australian Scissurellidae (Mollusca: Gastropoda: Vetigastropoda) with remarks on Australian and Indo-Malayan species. Zootaxa 714:1–72
  • Geiger D.L. (2006). Eight new species of Scissurellidae and Anatomidae (Mollusca: Gastropoda: Vetigastropoda) from around the world, with discussion of two senior synonyms. Zootaxa 1128:1–33
  • Geiger D.L. (2012) Monograph of the little slit shells. Volume 1. Introduction, Scissurellidae. pp. 1–728. Volume 2. Anatomidae, Larocheidae, Depressizonidae, Sutilizonidae, Temnocinclidae. pp. 729–1291. Santa Barbara Museum of Natural History Monographs Number 7