07983 - Superb Bug Eyed 2.02 Inch Coltraneia effelesa Middle Devonian Trilobite Brochantite They can therefore be referred

They can therefore be referred to as petrified lightning

Denckmannites

Barrande 1887

Not only the tooth belongs to an inusual raptor family

Some of them have tiny glued fractures

07983 - Superb Bug Eyed 2.02 Inch Coltraneia effelesa Middle Devonian Trilobite Brochantite They can therefore be referredNicely 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,