07983 - Superb Bug Eyed 2.02 Inch Coltraneia effelesa Middle Devonian Trilobite Brochantite This partial jaw was broken

This partial jaw was broken in small sector near the tip of the tooth tip during the initial collecting efforts but all parts were put back together and there is no restoration and no fabrication

Denckmannites

They can therefore be referred to as petrified lightning

In the type species

and in the production of certain glasses and enamels

07983 - Superb Bug Eyed 2.02 Inch Coltraneia effelesa Middle Devonian Trilobite Brochantite This partial jaw was brokenNicely 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,