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there has been only one specimen found
high quality approximate 1 1/2" complete Elrathia kingii fossil trilobite on an approximate 3" x 4" matrix of shale
*Formed in the Age of the Dinosaurs
Trilobite from the middle Cambrian Period (505 million years)
Fossilized Cambrian Choia carteri Sponge Peronopsis there has been only oneVery Rare and Excellently preserved fossilized Spicules from a Choia sponge found in the Wheeler shale Utah West Desert. Age: Middle Cambrian (521 to 497 mya) Species Name: Choia carteri Order Family: Protomonaxonida Choiidae Phylum: Porifera Locality: Millard County, Utah Size: Approximately 7" x 6", 1. 7 lbs. Comes with metal stand. Sponges (Poriferans) are simple aquatic animals that attach to hard surfaces and feed and live by moving water through
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