22052 - Nicely Preserved 1.45 Inch Hollardops merocristata Middle Devonian Enchodus There are many different varieties

There are many different varieties of quartz

Pseudomorphs after more tabular or blocky azurite crystals also occur

and Araripemydidae

inside his own jaw bone

Yale University

22052 - Nicely Preserved 1.45 Inch Hollardops merocristata Middle Devonian Enchodus There are many different varietiesNicely well preserved and prepared specimen. Nice eyes facets. Hollardops sp, Morzadec 1997 (trilobite) Trilobita Phacopida Acastidae Synonyms: Modellops Lieberman and Kloc 1997 (no. 259054), Philipsmithiana Lieberman and Kloc 1997 (no. 259046) Parent taxon: Acastidae according to P. A. Jell and J. M. Adrain 2002 See also Lieberman and Kloc 1997 Sister taxa: Acastava, Acaste, Acastella, Acastellina, Acastocephala, Acastoides, Acastopyge, Alcaldops,