22056 - Superb Bug Eyed 2.52 Inch Coltraneia effelesa Middle Devonian Orthoclase (Feldspar) Tissint Mars Rock has a
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Description
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
It comes from The Konservat-Lagerstätten of Lower Fezouata Fm that spans the entire Tremadoc stage of the Ordovician system and is only present in the Moroccan Anti-Atlas
It is common to find sellers that offer raptor claws at relatively low prices
Some of them have glued or filled fractures
edu/388824
22056 - Superb Bug Eyed 2.52 Inch Coltraneia effelesa Middle Devonian Orthoclase (Feldspar) Tissint Mars Rock has aNicely 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,
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