Onychocrinus
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Onychocrinus is an extinct genus of feathered crinoids that lived during the Carboniferous period, approximately 353.8 to 318.1 million years ago. It belonged to the family Synerocrinidae.
Synerocrinidae Onychocrinus
Crinoid
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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 fo
Onychocrinus
…Onychocrinus is an extinct genus of feathered crinoids that lived during the Carboniferous period, approximately 353.8 to 318.1 million years ago. It belonged to the family Synerocrinidae. Onychocrinus…
Crinoid on the reef of Batu Moncho Island
Stalked crinoid drawn by Ernst Haeckel
Stem, theca and arms of a "true" (stalked) crinoid (family Isselicrinidae)
Oxycomanthus bennetti (comatulid)