A fine rim is observed on the sample
The size of olivine crystals range 0
Heisdorf Formation (limestone) (Devonian of Germany) and Morocco
Photomicrograph showing brown hornblende crystals in a mass of highly sericitized plagioclase with very fine grain size
3 Type spec location: MNB Main mass: Said Yousfi Comments: Submitted by Ansgar Greshake
08318 - Nicely Preserved 2.50 Inch Hollardops merocristata Middle Devonian Mawsonia A fine rim is observedNicely 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,