Archaeopteryx lithographicia, Eichstatt Specimen B side Spinosaurus that would have precluded fast

that would have precluded fast swimming

The Munich Archaeopteryx is the most recent specimen

consisting mostly of limb bones and isolated cervical vertebrae and ribs

Confuciusornis sanctus ("the sacred bird of Confucius") is the earliest known beaked bird

Triceratops tooth

Archaeopteryx lithographicia, Eichstatt Specimen B side Spinosaurus that would have precluded fastSide B. Found near Workerszell in 1951, it was described by P. Wellnhofer in 1974. This is the smallest of all the specimens, being some 2 3 the size of the others. It also differs in other aspects such as the tooth structure and the poorly ossified shoulder bones. It has been suggested that this is a separate genus, however the differences can also be ascribed to the possible juvenile stage of the animal and or a different feeding niche. However,