Caleidocrinus

{{Short description|Extinct genus of crinoids}}

{{Italic title}}

{{Taxobox

| name = Caleidocrinus

| fossil_range = {{fossilrange|461|450|Middle and early Upper Ordovician}}

| image = Caleidocrinus multiramus CRF.jpg

| image_caption = Caleidocrinus multiramus, 26mm

| regnum = Animalia

| phylum = Echinodermata

| subphylum = Crinozoa

| classis = Crinoidea

| ordo = Diparida

| familia = Iocrinidae

| genus = Caleidocrinus

| genus_authority = Waagen & Jahn, 1899

| subdivision_ranks = Species

| subdivision =

{{specieslist

|C. multiramus|Barrande, 1899 (type) = C. barrandei

|C. turgidulus|Ramsbottom, 1961

}}

}}

Caleidocrinus is a genus of sea lily that lived during the Middle and early Upper Ordovician in what is now the Czech Republic and Wales.{{cite journal|last= Donovan|first= S.K.|year= 1985|title= The Ordovician crinoids genus Caleidocrinus Waagen and Jahn, 1899|journal= Geological Journal|volume= 20|pages= 109–121|doi=10.1002/gj.3350200204}}