Tylomelania scalariopsis

Tylomelania scalariopsis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.

Tylomelania scalariopsis
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Sorbeoconcha
Superfamily:
Cerithioidea
Family:
Pachychilidae
Genus:
Tylomelania
Species:
T. scalariopsis
Binomial name
Tylomelania scalariopsis
Synonyms

Melania scalariopsis Sarasin & Sarasin, 1897

Distribution

This species occurs in Lake Poso drainage, Sulawesi, Indonesia.[2][1] The type locality is the Poso River, 400 m against the river current.[1]

Description

The shell has 11-12 whorls.[1]

The width of the shell is 12 mm.[1] The height of the shell is 34 mm.[1] The width of the aperture is 6.5 mm.[1] The height of the aperture is 10 mm.[1]

There are 6 concentric lines on the operculum.[1]

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References
  1. (in German) Sarasin P. & Sarasin F. (1897). "Über die Molluskenfauna der großen Süßwasser-Seen von Central-Celebes". Zoologischer Anzeiger 539/540: 308-320. page 315-316.
  2. von Rintelen T. & Glaubrecht M. (2005). "Anatomy of an adaptive radiation: a unique reproductive strategy in the endemic freshwater gastropod Tylomelania (Cerithioidea: Pachychilidae) on Sulawesi, Indonesia and its biogeographical implications." Biological Journal of the Linnean Society 85: 513–542. doi:10.1111/j.1095-8312.2005.00515.x.


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