Cretoxyrhina mantelli (Agassiz, 1843)

Remarks

• Collector:     Lee Duchouquette
• Formation:   Eagle Ford Group, Kamp Ranch Limestone
• Location:      Dallas County, Texas

General Info

Synonyms (older names and misidentifications in the literature)

• Mako shark
• 1843 Oxyrhina mantelli Agassiz
• 1873 Oxyrhina extenta Agassiz; Leidy
• 1894 Oxyrhina mantelli Agassiz; Eastman
• 1896 ? Oxyrhina mantelli Agassiz; Priem
• 1852 Oxyrhina mantelli Agassiz; Roemer
• 1900 Oxyrhina mantelli Agassiz; Williston
• 1911 Oxyrhina mantelli Agassiz; Woodward
• 1958 Cretoxyrhina mantelli (Agassiz); Glyckman
• 1970 Isurus mantelli (Agassiz); Applegate
• 1973 Oxyrhina mantelli Agassiz; Case
• 1973 Cretoxyrhina mantelli (Agassiz); Herman
• 1975 Cretoxyrhina mantelli (Agassiz); Cappetta and Case
• 1992 Oxyrhina mantelli Agassiz (?); Case
• 1993 Cretoxyrhina mantelli (Agassiz); Welton and Farish
• 1994 Cretoxyrhina mantelli (Agassiz); Kent

Stratigraphic Occurrence

• Lower Eagle Ford Group, Tarrant Formation of North Texas
• Lower Eagle Ford Group, Lake Waco Formation of Central Texas
• Lower Eagle Ford Group Britton Formation of North Texas
• Upper Eagle Ford Group, Kamp Ranch Limestone Member of the Arcadia Park Formation of North Texas
• Basal Austin Group, Basal Atco Formation of North Texas
• Fort Hays Limestone Member of the Niobrara formation of western Kansas (no county given)
• Cenomanian rocks of England and France

Age

• Cretoxyrhina mantelli (Agassiz) occurs from the Conlinoceras tarrantense (Adkins) zone to the Peroniceras haasi Young zone, from the lower Middle CenomanianStage to the lowermost Coniacian stage (~96–88 mya).

Geographic Occurrence (not an all-inclusive list)

• Dallas County, TX
• England
• France
• Grayson County, TX
• KS (no county given)
• McLennan County, TX
• Travis County, TX

Remarks

       For identification and descriptions, see:

• Agassiz, L.  1833–1844.  Recherches sur les Poissons Fossiles.  Neuchâtel, 1–1420.
• Cappetta, H.; Case, G. R.  1975.  Sélaciens Nouveaux du Crétacé du Texas.  Géobios 8 (4), 303–307.
• Case, G. R. 1992. A Pictorial Guide to Fossils. Malabar: Krieger Publishing, p. 262.
• Kent, B. W.  1994.  Fossil Sharks of the Chesapeake Bay Region.  Columbia, MD:  Egan Rees & Boyer.