''Neospirifer'' is an extinct genus of articulate

brachiopod Brachiopods (), phylum (biology), phylum Brachiopoda, are a phylum of animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear e ...

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserve ...

s belonging to the family Trigonotretidae. These stationary epifaunal suspension feeders lived in the

Carboniferous The Carboniferous ( ) is a Geologic time scale, geologic period and System (stratigraphy), system of the Paleozoic era (geology), era that spans 60 million years, from the end of the Devonian Period Ma (million years ago) to the beginning of the ...

and

Permian The Permian ( ) is a geologic period and System (stratigraphy), stratigraphic system which spans 47 million years, from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya. It is the s ...

periods, from 360.7 to 252.3 Ma. Fossils of this genus have been found in the sediments of

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and

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Description

''Neospirifer'' species have shells with robust valves, a prominent sulcus and a characteristic ridge.Encyclopaedia Britannica
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Species

References

{{Taxonbar, from=Q2440404 Prehistoric brachiopod genera Carboniferous first appearances Permian genus extinctions Spiriferida Paleozoic life of British Columbia Paleozoic life of Nunavut Paleozoic life of Yukon