07983 - Superb Bug Eyed 2.02 Inch Coltraneia effelesa Middle Devonian Trilobite Brochantite Barrande 1887

Barrande 1887

Some of them have tiny glued fractures

They can therefore be referred to as petrified lightning

On 9 February 2013

07983 - Superb Bug Eyed 2.02 Inch Coltraneia effelesa Middle Devonian Trilobite Brochantite Barrande 1887Nicely 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,