Plesiosaurus dolichodeirus AnkylosaurusPleisosaur Full Skeleton On Slab from the Jurassic of Glastonbury, England. Plesiosaurs (meaning "near lizard") were flippered marine reptiles from the Mesozoic Era they were not dinosaurs. Plesiosaurs are divided into two groups: the Plesiosauroids with long, snake like necks, tiny heads, and wide bodies, and the Pliosauroids, which had large heads with very strong jaws and short necks. The first plesiosaur skeletons were found in England by Mary
longer-necked pliosaurs
Amphibians
5 inches and 63 pounds
Because the plants and animals were deposited at the bottom of these lakes where there was little or no oxygen present
usually less than 30 meters deep
Rogers and Monetta in 1993)
with a curved
Scientific Name: Anhanguera blittersdorfi Location: Brazil Specimen: Wyoming Dinosaur Center
Crinoids are assigned to the phylum Echinodermata
Ogam (Ogham)
a hulking T
The ancient bison was taller