Ogygopis sp. Trilobite
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Ogygopis sp. Trilobite
Harkless, Nevada, USA
Cambrian Period (541 - 485.4 million years ago)
Ogygopsis is a genus of trilobite from the Cambrian of Antarctica and North America, specifically the Burgess Shale. It is the most common fossil in the Mt. Stephen fossil beds there, but rare in other Cambrian faunas. Its major characteristics are a prominent glabella with eye ridges, lack of pleural spines, a large spineless pygidium about as long as the thorax or cephalon, and its length: up to 12 cm.
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita
Order: †Corynexochida
Family: †Dorypygidae
Genus: †Ogygopsis
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