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Glyphaspis capella Trilobite 2.jpg

Glyphaspis capella Trilobite 2.jpg

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MY FOSSIL Collection - Dpaul7

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Glyphaspis capella Trilobite

Wolsey Shale of Montana
Cambrian Period ( 541 (+/- 1)- 485.4 (+/- 1.9) million years ago)
The trilobite measures 5/8 by 1/2 inches and is on a matrix measuring 1 1/4 inches by 1 1/4 inches. Ecology: fast-moving low-level epifaunal deposit feeder. Primitive Asaphida (possibly ancestral to some other asaphine groups), including families retaining the natant hypostomal condition, as well as other ptychoparioid features; protaspides resembling those of Ptychopariida (not "asaphoid"); not all families included may be monophyletic (i.e., Anomocaroidea as described here is likely a paraphyletic group).
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita    
Subclass: †Libristoma
Order:     †Asaphida
Family: †Anomocarellidae
Genus:     †Glyphaspis
Species:  †capella


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