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Physa sp., Lake Winnipeg Physa, lives in Manitoba in Canada. It was classified as endangered by COSEWIC . COSEWIC recommendation has been forwarded to the Minister of the Environment of Canada and a decision for listing at the List of Wildlife Species at Risk of the Canadian Species at Risk Act was pending in 2005.
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 ...
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.
Researchers in Scotland have unveiled the skeleton of a 164-million-year-old fossil known as the Storr Lochs Monster which is an ancient marine reptile.
These snails eat dead plant and animal matter and various other detritus. Because Physella acuta forages mainly on epiphytic vegetation and on the macrophytes, whereas other gastropods (Planorbis planorbis, Radix ovata) exploit the algal cover or phytobentos on the bottom, competition between Physella acuta and other gastropods appears to be ...
These fossils are often only a single bone or a piece of a bone, and thus the dinosaurs' species cannot be identified. By comparing the fossils with other, more complete remains from other areas it can be inferenced which family or order a given fossil belonged to. Marine fossils are more common than fossils of land animals in New Zealand ...