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Physa is a genus of small, left-handed or sinistral, air-breathing freshwater snails, ... † Physa aridi Mezzalira, 1974 – fossil from Brazil [3]
The holotype specimen (University of Michigan Museum of Zoology #181292) was a fossil from Beaver Co., Oklahoma (Taylor 1954). [5] The species may be Holarctic in distribution based on shells found in Ukraine (Degtyarenko, E. and V. Anistratenko 2011).
Physa aridi is a fossil species of air-breathing freshwater snail, an extinct aquatic pulmonate gastropod mollusc in the family Physidae. This species has a small, left-handed (or sinistral) shell, as is always the case in this family. Physa aridi dates from the Senonian (Upper Cretaceous) of the Bauru Group, in São Paulo state, Brazil. [1]
Physa mezzalirai is an extinct fossil species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusc belonging to the family Physidae.This species is characterized by its small sinistral (left-handed) shell, a common feature in this family.
List of prehistoric brittle stars; List of prehistoric bryozoan genera; List of prehistoric chitons; List of prehistoric foraminifera genera; List of ichthyosaur genera; List of marine gastropod genera in the fossil record; List of plesiosaur genera; List of prehistoric malacostracans; List of prehistoric medusozoan genera; List of prehistoric ...
This is a list of Ice Age species preserved as permafrost mummies. It includes all known species that have had their tissues partially preserved within the permafrost layer of the Arctic and Subarctic. Most went extinct during the Late Pleistocene extinctions while some are still extant today. They have been listed to the most specific known ...
Fossil of the Miocene-Pleistocene barnacle Concavus Concavus †Concholepas; Conepatus †Conepatus leuconotus; Conomitra †Conorbis; Conus †Conus anabathrum †Conus daucus †Conus delessertii †Conus eversoni – or unidentified comparable form †Conus jaspideus – type locality for species †Conus miamiensis †Conus patglicksteinae ...
The name Physella means "little bladder", from Greek physa, [3] and the diminuative ending "-ella". This is in reference to the genus Physa, which P. acuta has, at times, been placed in. Acuta is a Latin word meaning sharp. [4]