Regispongia contorta (King)
attached to a crinoid column

General abundance:  Common

References:
Fossils of Ohio (pages 54-55, 62 and page 63 fig. 1-5)
Texas Monthly Field Guide 2nd Edition (pl. 33 photo 42)
Invertebrate Fossils 1952 (pages 90-91)
     Moore, Lalicker, & Fischer 1952 (pages 90-91)

Viewer Comments:
Regispongia is a Carboniferous genus described by
K. Rigby in 1978, and belongs in the Class Calcarea.
Dr. Tom Yancey


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