Giant Utah Hemirhodon amplipyge Trilobite

Hemirhodon amplipyge

Trilobites Order Corynexochida, Family Dolichometopidae

Geological Time: Middle Cambrian

Size: Trilobite is 83 mm in length

Fossil Site: Marjum Formation, Marjum Pass, House Range, Utah

Hemirhodon amplipygeOne of the most desired of Utah giant trilobites is the Hemirhodon amplipyge. This one, like the majority found, is an internal mold, having no calcite skin. It has been lightly enhanced to give the specimen presence. The only flaw is the missing tip of the right genal spine. To the best of my knowledge, the quarry from which these come has not been active for years.

click fossil pictures to enlarge


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