07375 - Nicely Preserved 2.14 Inch Hollardops merocristata Middle Devonian Trilobite Goniopygus Rigorous comparative studies with other

Rigorous comparative studies with other published similar rests would be necessary to be able to perform a reliable diagnosis

and Andrzej Radwański

graceful neck and a whiplike tail

All these teeth have subequal buccal and lingual surfaces (with buccal surfaces slightly more inflated)

Bulletin of the American Museum of Natural History 300:1-318

07375 - Nicely Preserved 2.14 Inch Hollardops merocristata Middle Devonian Trilobite Goniopygus Rigorous comparative studies with otherNicely 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,