30848 - Nicely Prepared Bug Eyed 2.12 Inch Coltraneia effelesa Middle Devonian Geragnostus occitanus because many pollen grains are

because many pollen grains are preserved inside the coprolites

Encrinurus multisegmentatus

United States (13: Colorado

Ludvigsen and P

30848 - Nicely Prepared Bug Eyed 2.12 Inch Coltraneia effelesa Middle Devonian Geragnostus occitanus because many pollen grains areColtraneia 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,