30128 - Top Rare 1.68 Inch Athabaskia wasatchensis Middle Cambrian Trilobite - Utah USA Triarthrus eatoni called Gastropoda
Yard notes & kiln story
Description
called Gastropoda
As it corresponds with the family Lichidae
Interesting genus with extremely variable circular to oval-shaped test
Shock effects are present as abundant cross-cutting cracks in the individual olivine
and Enstatite-rich meteorites Comments: Approved 24 Jul 2007 Writeup Writeup from MB 92:
30128 - Top Rare 1.68 Inch Athabaskia wasatchensis Middle Cambrian Trilobite - Utah USA Triarthrus eatoni called GastropodaAthabaskia wasatchensis (Resser, 1939) Middle Cambrian, Miaolingian Series, Wuliuan Stage Langston Formation, Spence Shale Member Bear River, Utah, U. S. A.