Pentremites
(Pen·​tre·​mi·​teez | '?')
Blastozoa (Pelmatozoa)

Type Species*: godoni †


Basal Echinozoans
 
* Globally extinct life form (†), only the type species is displayed

Pentremites Fossil
Wikipedia
https://en.wikipedia.org/wiki/Pentremites

Pentremites Collectibles Gallery
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Melvin L. Shourd 1965 Fossil-Deck Identification Cards