Periechocrinus

{{Short description|Extinct genus of crinoids}}

{{Taxobox

| fossil_range = {{fossil range|Silurian|Carboniferous}}[https://www.fossilworks.org The Paleobiology Database]

| image = Periechecrinidae - Periechocrinus costatus.JPG

| image_caption = Fossil specimen of Periechocrinus costatus from United Kingdom, on display at Galerie de paléontologie et d'anatomie comparée in Paris

| regnum = Animalia

| phylum = Echinodermata

| subphylum = Crinozoa

| classis = Crinoidea

| subclassis = Camerata

| ordo = Monobathrida

| familia = Periechocrinidae

| genus = Periechocrinus

| genus_authority = Morris 1843

| synonyms =

• Periechocrinites

}}

Periechocrinus is an extinct genus of crinoids belonging to the order Monobathrida, family Periechecrinidae.[http://eol.org/pages/4707541/overview Encyclopedia of Life]W.H.C. Ramsbottom [http://www.tandfonline.com/doi/abs/10.1080/00222935408651777#preview 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 period and the Mississippian age of Australia, as well as in the Silurian of Canada, Czech Republic, United Kingdom and United States, from 436.0 to 345.3 Ma.