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Mammals during the Mesozoic era were extremely rare although they had representation within the ecosystems in which dinosaurs reigned
Pseudowaribole
198 g of this RARE type of MARTIAN Shergottite METEORITE named as NWA 6963
22 grams at UCLA
30848 - Nicely Prepared Bug Eyed 2.12 Inch Coltraneia effelesa Middle Devonian Geragnostus occitanus Mammals during the Mesozoic eraColtraneia sp, Lieberman and Kloc 1997 (trilobite) Trilobita Phacopida Acastidae Full reference: B. S. Lieberman and G. J. Kloc. 1997. Evolutionary and biogeographic patterns in the Asteropyginae (Trilobita, Devonian) Delo, 1935. Bulletin of the American Museum of Natural History 232: 1 127 Parent taxon: Acastidae according to B. S. Lieberman and G. J Kloc 1997 Sister taxa: Acastava, Acaste, Acastella, Acastellina, Acastocephala, Acastoides,