08318 - Nicely Preserved 2.50 Inch Hollardops merocristata Middle Devonian Mawsonia Heisdorf Formation (limestone) (Devonian of
Yard notes & kiln story
Description
Heisdorf Formation (limestone) (Devonian of Germany) and Morocco
3 Type spec location: MNB Main mass: Said Yousfi Comments: Submitted by Ansgar Greshake
It only has some glued and tiny filled fractures but no fabrication
A fine rim is observed on the sample
Photomicrograph showing brown hornblende crystals in a mass of highly sericitized plagioclase with very fine grain size
08318 - Nicely Preserved 2.50 Inch Hollardops merocristata Middle Devonian Mawsonia Heisdorf Formation (limestone) (Devonian ofNicely 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,