30294 - Nicely Preserved 1.87 Inch Hollardops merocristata Middle Devonian Psammechinus fluvial (2)

fluvial (2)

kamacite Fe=93

and chrysocolla

and refers to the cracks/separations in this kind of rock

The colors of its enamel have very brilliant red and orangish hues

30294 - Nicely Preserved 1.87 Inch Hollardops merocristata Middle Devonian Psammechinus fluvial (2)Nicely 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,