Xiphactinus audax Leidy, 1870

Remarks

• Collection:  Alabama Museum of Natural History (photos provided by David Lueth)
• Formation:  Mooreville Chalk
• Location:    Greene County, AL

General Info

Synonyms (older names and misidentifications)

• "Bulldog Fish"
• 1870 Xiphactinus audax Leidy
• 1870 Saurocephalus audax Cope
• 1870 Saurocephalus thaumas Cope
• 1871 Portheus molosus Cope
• 1875 Portheus thaumas Cope
• 1900 Xiphactinus audax Leidy; Stewart
• 1932 Xiphactinus audax Leidy; Stovall

Stratigraphic Occurrence

• Basal Austin Group, Atco Formation of north–central Texas
• Lower Niobrara Group, Fort Hays Formation of western Kansas
• Lower Niobrara Group, lower Smoky Hill Formation of western Kansas

Age

Geographic Occurrence (not an all-inclusive list)

• Collin County, TX
• Dallas County, TX
• Gove County, KS
• Greene County, TX

Remarks

       For identification and descriptions, see:

• Cope, E. D.  1871.  On the Fossil Reptiles and Fishes of the Cretaceous Rocks of Kansas.  United States Geological Survey of the Territories (Hayden), Fourth Annual Report, 385–424.
• Stovall, J. W. 1932. Xiphactinus audax, a Fish From the Cretaceous of Texas. University of Texas Bulletin 3201.