The Natural Canvas / 5980 Mazon Creek fossils and other Carboniferous lagerstatten Purchase here: ncanvas@aol.com

5980.jpg

Etacystis communis

Pennsylvanian, Mazon Creek, Illinois, USA

Famous problematic organism in 62mm half-concretion. Often called the "H" coelenterate, Etacystis has never been found anywhere else.

$49