22056 - Superb Bug Eyed 2.52 Inch Coltraneia effelesa Middle Devonian Orthoclase (Feldspar) edu/388824

edu/388824

This has been controversial

Tissint Mars Rock has a very fresh shiny black fusion crust with a greyish interior color containing sporatic areas of black glass and pale yellow olivine macrocrysts

The front and back has been cut and polished to a high gloss finish

Iarochène

22056 - Superb Bug Eyed 2.52 Inch Coltraneia effelesa Middle Devonian Orthoclase (Feldspar) edu/388824Nicely well preserved and prepared specimen. Nice eyes facets. Coltraneia sp, Lieberman and Kloc 1997 (trilobite) Trilobita Phacopida Acastidae Full reference: B. S. Lieberman and G. J. Kloc. 1997. Evolutionary and biogeographic patterns in the Asteropyginae (Trilobita, Devonian) Delo, 1935. Bulletin of the American Museum of Natural History 232: 1 127 Parent taxon: Acastidae according to B. S. Lieberman and G. J Kloc 1997 Sister taxa: Acastava,