Pseudopotamis

Pseudopotamis is a genus of freshwater snails which have an operculum, aquatic gastropod mollusks in the family Pachychilidae.

Pseudopotamis
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Sorbeoconcha
Superfamily:
Cerithioidea
Family:
Pachychilidae
Genus:
Pseudopotamis

Diversity[2]
2 species

Distribution

It occurs on the Torres Strait Islands.[2]

A sister group (the closest relative) of Pseudopotamis is genus Tylomelania.[2] Pseudopotamis and Tylomelania split in the Middle Miocene c. 19.5 Mya.[2]

Species

Species within the genus Pseudopotamis include:

  • Pseudopotamis semoni Martens, 1894[3]
  • Pseudopotamis supralirata (E. A. Smith, 1887) - synonym: Pseudopotamis finschi Martens, 1894 - type species[3]

Description

Pallial oviduct evolved into an uterine brood (that release shelled juvenile snails).[2]

Ecology

Species in the genus Pseudopotamis are ovoviviparous.[3][2]

References
  1. Martens E. (1894). "von Mollusken". In: Semon R. W. (Ed.) Zoologische Forschungsreisen in Australien und dem Malayischen Archipel, Vol. V: Systematik und Thiergeographie, pp. 82–88. Jena, Fischer. Table 4.
  2. von Rintelen T., Stelbrink B. Marwoto R. M. & Glaubrecht M. (2014). "A Snail Perspective on the Biogeography of Sulawesi, Indonesia: Origin and Intra-Island Dispersal of the Viviparous Freshwater Gastropod Tylomelania". PLoS ONE 9(6): e98917. doi:10.1371/journal.pone.0098917.
  3. Glaubrecht M. & von Rintelen T. (2003). "Systematics, molecular genetics and historical zoogeography of the viviparous freshwater gastropod Pseudopotamis (Cerithioidea, Pachychilidae): a relic on the Torres Strait Islands, Australia". Zoologica Scripta 32: 415–435. doi:10.1046/j.1463-6409.2003.00127.x.


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