''Periechocrinus'' is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

genus of

crinoid Crinoids are marine invertebrates that make up the class Crinoidea. Crinoids that remain attached to the sea floor by a stalk in their adult form are commonly called sea lilies, while the unstalked forms, called feather stars or comatulids, are ...

s belonging to the order Monobathrida, family Periechecrinidae.W.H.C. Ramsbottom
Periechocrinus versus Periechocrinites
- Annals and Magazine of Natural History: Series 12 Volume 7, Issue 81, 1954 These stationary upper-level epifaunal suspension feeders lived during 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 ...

period and the

Mississippian age The Mississippian ( ), also known as Lower Carboniferous or Early Carboniferous, is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earlier of two subperiods of the Carboniferous period lasting from rou ...

of Australia, as well as in the

Silurian The Silurian ( ) is a geologic period and system spanning 23.5 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the third and shortest period of t ...

of Canada, Czech Republic, United Kingdom and United States, from 436.0 to 345.3 Ma.

Species

*''Periechocrinus costatus'' (Austin and Austin) *''Periechocrinus indicator'' Etheridge Jr. 1892

Description

''Periechocrinus'' species were about high.

References

External links

Museum of Victoria
Monobathrida Extinct animals of Australia Carboniferous crinoids Paleozoic life of Ontario {{paleo-crinoidea-stub