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Magnificent specimen with detailed preservation
Phosphate turtles belong to the two major groups of extant turtles: Pleurodira
based on scratch hardness comparison
No fractures or restoration
Prionocheilus verneuili
05334 - Top Beautiful 2.40 Inch Orthoceras Devonian Cephalopod Calymene Magnificent specimen with detailed preservationOrthoceras, Breynius 1832 (mollusk) Cephalopoda Orthocerida Orthoceratidae PaleoDB taxon number: 12557 Synonym: Orthoceros Brnnich 1771 [objective synonym] (taxon 144578) Parent taxon: Orthoceratidae according to D. H. Evans 1994 See also Mnster 1841, Sepkoski 2002, Sweet 1964 and Teichert et al. 1964 Sister taxa: Chebbioceras, Infundibuloceras, Kopaninoceras, Merocycloceras, Michelinoceras, Orthocycloceras, Palorthoceras, Pleurorthoceras,