Montana
Trilobites:
Agnostus hastatus
Amecephalus diffundatus
Bathyuriscus rugosus
Bolaspis globulifera
B. grandis
B. minuta
B. unica
B. vera
Ehmania brevis
E. grandis
E. inconstans
E. planiorata
E. sexannulata
E. transversa
Elrathina erecta = Ptychoparella erecta
E. hybrida = Ptychoparella hybrida
E. lickensis = Ptychoparella lickensis
E. nodulosa = Ptychoparella nodulosa
Glyphaspis delicata
G. paucisulcata
G. robusta
G. storeyi
Kooyenia varia
REFERENCES:
Deiss,Charles (1939) Cambrian Stratigraphy and Trilobites of Northwestern Montana. The Geological Society of America, Special Papers, Number 18
Resser, C.E. (1935) Nomenclature of some Cambrian Trilobites, Smithsonian, Misc. Coll.., Vol. 93, No. 5, P. 1-46
*researched and compiled by George Ast
Western
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