Cedaria Minor trilobite 1.jpg
Cedaria minor Trilobite Fossil
Weeks Shale Formation, House Range, Drum Mountains, Millard County, Utah
mid-Cambrian Era - 505 million years ago
Cedaria is a small, rather flat trilobite with an oval outline, a headshield and tailshield of approximately the same size, 7 articulating segments in the middle part of the body and spines at the back edges of the headshield that reach halflength of the body. Cedaria lived during the early part of the Upper Cambrian (Dresbachian), and is especially abundant in the Weeks Formation.
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita
Order: †Ptychopariida
Family: †Cedariidae
Genus: †Cedaria
Species: †minor
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