''Abrotocrinus'' is an
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
genus of
crinoids.
Fossil records
This genus is known in the fossil records of the
Carboniferous
The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
period of United States and Canada (age range: 353.8 to 345.0 million years ago).
Paleobiology Database
/ref>
See also
* List of crinoid genera
This list of crinoid genera is an attempt to create a comprehensive listing of all genera that have ever been considered to be crinoids, excluding purely vernacular terms. The list includes all commonly accepted genera, but also genera that a ...
References
Cladida
Prehistoric crinoid genera
Paleozoic life of Alberta
Paleozoic echinoderms of North America
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