Ron Fine's Crinoid Stems

Here are some very nice sketches of crinoid stems by Ron Fine, Dry Dredgers member. Some are unidentified. They are from the Cincinnatian Series formations from around Cincinnati, Ohio. Most are from Ceasar Creek, which would make them Waynesville or Liberty formation. Some, however, may be Latonia or McMillan formation.

If you can identify the species and/or genus of any of the unidentified stems, Email Ron Fine at FossilBoy@HotMail.com. Refer to the specimen identifiers shown below the illustration.

Cincinnaticrinus
Ectenocrinus
Xenocrinus
Rhaphanocrinus
Unidentified stems

CINCINNATICRINUS


RON01: Cincinnaticrinus
 
 


RON03: Possible juvenile Cincinnaticrinus.


RON04: Cincinnaticrinus


RON07: Cincinnaticrinus


RON10: Cincinnaticrinus
 
 


RON11: Cincinnaticrinus


RON12: Cincinnaticrinus


RON14: Cincinnaticrinus

ECTENOCRINUS


RON02: Ectenocrinus


RON06: Ectenocrinus

RHAPHANOCRINUS SCULPTUS


RON18: Rhaphanocrinus sculptus

 

XENOCRINUS


RON15: Xenocrinus


RON16: Xenocrinus


RON17: Xenocrinus

UNIDENTIFIED STEMS


RON05


RON08


RON09
 
 


RON13
 
 

 

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