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The class Malacostraca is divided in five superorders: Phylocarida
Ancient bison is the most commonly recovered herbivore from the La Brea tar pits
The remains of 10 individuals were excavated from Skhul cave in 1932 and are widely considered to be the earliest examples of H
Eoraptor was named by paleontologists P
" The question of what these fossils are is still not settled to everyone's satisfaction
Ctenochasma elegans, a pterosaur Posters The class Malacostraca is dividedCtenochasma is distinguished mainly by its numerous (over 400 in adults) long, thin, curved and closely packed teeth, which lined its elongated and narrow snout. The teeth were so closely packed that they formed a comb, and in adults they projected outward away from the jaws, forming a basket; traditionally, these are thought to indicate a filter feeding lifestyle, straining water through the teeth in order to capture and eat small invertebrates, but