Crinoid Calyx (head) Alamosaurus Compsognathus was a bird-like dinosaur

Compsognathus was a bird-like dinosaur that walked on two long

and was most common in North America and South America from the Irvingtonian stage to the Rancholabrean stage of the Pleistocene epoch living 1

000 pounds (2300 kg)

It was found in the late Jurassic to early Cretaceous rocks of China

powerful tail

Crinoid Calyx (head) Alamosaurus Compsognathus was a bird-like dinosaurCrinoids are commonly known as sea lilies due to their "flower like" appearance , though they are animals, not plants. Crinoids are echinoderms related to starfish, sea urchins, and brittle stars. Like other members of their phylum they are spiny skinned, have a five sided or pentaradial symmetry as adults and a calcium carbonate endoskeleton. Although crinoids are the least understood of living echinoderms, their skeletal remains are among the most