Prothalotia flindersi

Prothalotia flindersi, common name the Flinders top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[2]

Prothalotia flindersi
Shell of Prothalotia flindersi (syntype at MNHN, Paris)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Subfamily: Cantharidinae
Genus: Prothalotia
Species:
P. flindersi
Binomial name
Prothalotia flindersi
(P. Fischer, 1878) [1]
Synonyms
  • Cantharidus (Prothalotia) flindersi (Fischer, 1878)
  • Trochus flindersi Fischer, P. 1878

Description

The height of the shell attains 16 mm, its diameter 13 mm. The rather thick, very narrowly perforate shell has a conical shape. It contains 7 to 8 planulate whorls. The first one is eroded, the succeeding are whitish-ashen, radiated with narrow, close and flexuose blackish and violaceous lines. They are spirally cingulate, with 6 lirae on penultimate whorl. The body whorl is subangular, a little depressed above, dilated in the middle. The base of the shell is convex and ornamented with about 8 lirae. The aperture is rhomboidal. The lip is simple. The truncate columella is truncate below.[3]

Distribution

This marine species is endemic to Australia and occurs off South Australia and Western Australia.

References
  1. Fischer, P. 1878. Diagnoses Trochorum novorum. Journal de Conchyliologie 26: 62-67
  2. Bouchet, P. (2012). Prothalotia flindersi (P. Fischer, 1878). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=573218 on 2012-11-23
  3. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia (described as Cantharidus flindersi)
  • Thiele, J. 1930. Gastropoda und Bivalvia. pp. 561–596 in Michaelsen, W. & Hartmayer, R. (eds). Die Fauna Südwest-Australiens. Jena : Gustav Fischer Vol. 5.
  • Cotton, B.C. 1959. South Australian Mollusca. Archaeogastropoda. Handbook of the Flora and Fauna of South Australia. Adelaide : South Australian Government Printer 449 pp
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