6 articles
Beyrichia
Beyrichia is an extinct genus of Silurian to Permian palaeocopid ostracod crustaceans, type genus of Beyrichiidae, named by McCoy in 1846 with type species B. kloedeni, known from lobed calcite valves and the brood-pouch-bearing crumina.
Crustacean fossil record
The crustacean fossil record is the documented history of crustaceans in rocks, dating back more than 500 million years to the Cambrian and dominated by ostracodes and decapods.
Healdia
Healdia (type species Healdia simplex) is an extinct genus of small ostracod crustaceans in the family Healdiidae, named by Roundy in 1926 from Carboniferous Texas, with a fossil record from the Paleozoic into the Early Jurassic.
Monoceratina
Monoceratina Roth, 1928 is an extinct genus of bythocytherid ostracods from the Pennsylvanian of Oklahoma, with elongate carapaces, straight dorsal margin, caudal process, and single spine; Devonian to Miocene range.
Primitia
Primitia is an extinct genus of Paleozoic ostracod crustaceans (family Primitiidae, order Palaeocopida), named by Jones & Holl in 1865; known from about 485-361 Ma, marine to freshwater, suspension-feeding, not the Latin word primitia.
Schuleridea
Schuleridea is an extinct genus of podocopid ostracod crustaceans in the family Schulerideidae, established by Swartz and Swain in 1946 with type species S. acuminata from the Upper Jurassic Cotton Valley Group of Louisiana and Arkansas.