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Prionocyclus wyomingensis, ammonite ArgentinosaurusPrionocyclus was a cephalopod. Cephalopods are the most highly developed of the mollusks. They were carnivorous and at the top of the mollusk food chain. They possessed a distinct, well defined head and a circlet of eight or more arms. They used a funnel like opening, called a hyponome, to eject water through, in order to propel themselves backwards or for turning side to side. They are fairly common as fossils and are used as index fossils to
the skull lacked the massive jaw muscle features characteristic of robust australopithecines
and is difficult to interpret
It resembles a living chordate commonly known as the lancet
Chasmosaur femur
A nearby volcano blast killed and buried the inhabitants of the lake in a 4
On March 8
Mesohippus
Eryops was about 5 feet long
Locality: Lance Formation
Liaoceratops was much smaller than its later relatives
During the Eocene Epoch this area of the United States had a subtropical climate similar to today's Florida Everglades
Found in 1877 in German's Solnhofen Limestone