Cretolamna appendiculata (Agassiz, 1843)

Remarks

• Collector:      Keith Minor
• Formation:     Monmouth Group, Mount Laurel Formation
• Location:        Monmouth County, NJ
• (lateral teeth, except for a couple)

Remarks

• Collector:       Roger Farish
• Formation:     Washita Group, Pawpaw Formation 
• Location:        Tarrant County, TX
• (anterior tooth)

General Info

Synonyms (older names and misidentifications in the literature)

• Mackerel shark

• 1843 Otodus latus Agassiz

• 1896 Lamna appendiculata Priem

• 1967 Otodus appendiculatus (Agassiz); Case

• 1970 Lamna appendiculata (Agassiz); Applegate

• 1973 Otodus appendiculatus (Agassiz); Case

• 1975 Cretolamna appendiculata (Agassiz) var. lata Herman

• 1975 Cretolamna appendiculata (Agassiz) var. pachyrhiza Herman

• 1975 Cretolamna appendiculata lata (Agassiz); Cappetta and Case

• 1989 Cretolamna appendiculata (Agassiz); Finsley

• 1993 Cretolamna appendiculata (Agassiz); Welton and Farish

• 1994 Cretolamna appendiculata (Agassiz); Kent

Stratigraphic Occurrence

• Monmouth Group, Navesink Formation of New Jersey

• Monmouth Group, Mount Laurel Formation of New Jersey

• Campanian-Maastrichtian rocks around the world

• Upper Albian rocks of southern England (no formation given)

• Upper Washita Group, Weno Formation of north Texas

• Upper Washita Group, Pawpaw Formation of north Texas

• Lower Eagle Ford Group, Britton Formation of north Texas

• Upper Eagle Ford Grp, Arcadia Park Fm, Kamp Ranch LS Mbr of north TX

• Basal Austin Group, Basal Atco Formation of north Texas

• Upper Taylor Group, Sprinkle Clay of central Texas

Age

• Cretolamna appendiculata (Agassiz) occurs from about the Mortoniceras (Angolaites) drakei (Young) zone to the Discoscaphites sphaeroidalis zone, from the very Late Albian Stage to the end of the Cretaceous Period (~96–65 mya). 

Geographic Occurrence (not an all-inclusive list)

• Africa

• Alabama

• Asia

• Australia

• Belgium

• Canada

• Czech Republic

• Dallas County, TX

• Delaware

• Ellis County, TX

• England

• France

• Germany

• Grayson County, TX

• India

• Japan

• Kansas

• Kent, England

• Lithuania

• Madagascar

• Morocco

• Netherlands

• Middlesex County, NJ

• Monmouth County, NJ

• New Zealand

• Russia

• Tarrant County, TX

• Travis County, TX

• Zaire

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.