A Beginners Guide To Identifying Cincinnatian Crinoids

Additional Photos by Jack Kallmeyer

Crinoid Calyx


Some calyxes of Cincinnaticrinus pentagonus

Crinoid Stems


Iocrinus stems


Merocrinus stems


Xenocrinus baeri stems


Plicodendrocrinus casei stems


Cincinnaticrinus stems


Anomalocrinus stem


Ectenocrinus stems

Crinoid Holdfasts


Coiled Stem Holdfast from Iocrinus


Lichenocrinus tuberculatus holdfasts weathered free from the substrate


Lichenocrinus holdfasts attached to a Rafinesquina Brachiopod


The encrusting holdfast of Anomalocrinus incurvus


Encrusting holdfast


Another type of encrusting holdfast. It may possibly be from Anomalocrinus

 

General Identification
Stem Identification
Holdfast Identification

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