Protolamna aff. sokolovi Cappetta, 1980

Remarks

• Collector:    Roger Farish

• Formation:  Washita Group, Pawpaw Formation

• County:       Tarrant County, TX

General Info

Synonyms (names in the literature)

• Another member of the Mackerel Shark family
• 1980 Protolamna sokolovi Cappetta
• 1993 Protolamna aff. sokolovi Cappetta; Welton and Farish

Stratigraphic Occurrence

• Woodbine Group, Lewisville Formation of north Texas
• Woodbine Group, Pepper Formation of central Texas
• Uppermost Washita Group, Del Rio Formation of central Texas
• Uppermost Washita Group, Grayson Formation of north Texas
• Upper Washita Group, Pawpaw Formation of north Texas
• Upper Washita Group, Weno Formation of north Texas
• Lower Washita Group, Duck Creek Formation of north Texas

Age

• Protolamna sokolovi Cappetta occurs at from about the Mortoniceras equidistans (Cragin) zone to the Mariella (Wintonia) brazoensis (Roemer) zone, early Late Albian to Earliest Cenomanian Stage (~101–97 mya).

Geographic Occurrence (not an all-inclusive list)

• Tarrant County, TX

Remarks

         For identification and descriptions, see:

• Welton, B. J; Farish, R. F.  1993.  The  Collector’s  Guide  to  Fossil  Sharks  and  Rays  from  the  Cretaceous  of  Texas.  Lewisville:  Before Time.