Protrachyceras is a genus of ceratitid ammonoid cephalopods belonging to the family Trachyceratidae.
Protrachyceras Temporal range:
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Fossil of Protrachyceras archelaus | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | †Ammonoidea |
Order: | †Ceratitida |
Family: | †Trachyceratidae |
Subfamily: | †Protrachyceratinae |
Genus: | †Protrachyceras Mojsisovics 1893 |
Fossils of Protrachyceras are found in marine strata from the Triassic (age range: from 242.0 to 221.5 million years ago.). Fossils are known from many localities in Afghanistan, Canada, China, India, Italy, Japan, Romania, the Russian Federation, Slovenia, Spain, Switzerland, Thailand and United States.[1]