Xiphactinus audax Leidy 1870

Actinopteri - Ichthyodectiformes - Ichthyodectidae

Alternative combinations: Polygonodon audax, Portheus audax, Saurocephalus audax

Synonyms: Portheus molossus Cope 1871, Portheus thaumas Cope 1870, Saurocephalus thaumas Cope 1870

Full reference: J. Leidy. 1870. [Remarks on ichthyorudiolites and on certain fossil Mammalia]. Proceedings of the Academy of Natural Sciences of Philadelphia 22(1):12-13

Belongs to Xiphactinus according to L. Cavin et al. 2013

See also Applegate 1970, Case and Schwimmer 1988, Cope 1871, Cope 1874, Hay 1902, Leidy 1870, Leidy 1873, Schwimmer et al. 1997, Shimada et al. 2006, Thurmond and Jones 1981 and Woodward 1901

Sister taxon: Xiphactinus vetus


• Cretaceous of Canada (3: Alberta, Saskatchewan collections), United States (17: Alabama, Colorado, Georgia, Kansas, Mississippi, New Jersey, North Carolina), Venezuela (1)

Total: 21 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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