Class: Chondrichthyes, Subclass: Elasmobranchii
Order: Lamniformes
(regular sharks)
Cretaceous period: (click for Pennsylvanian-Permian Period) | |||
Cretalamna appendiculata![]() Strata: Kiamichi (upper) Period: Cretaceous (102-103 mya) Tarrant Co., TX. April 2, 2011. |
Cretalamna appendiculata![]() Strata: Fort Worth Period: Cretaceous (c. 99 mya) Tarrant Co., TX. Aug. 18, 2007. |
Cretalamna appendiculata![]() Strata: Grayson Period: Cretaceous (c. 95-96 mya) Tarrant Co., TX. Dec. 8, 2007. |
Cretalamna appendiculata![]() Strata: Grayson Period: Cretaceous (c. 95-96 mya) Tarrant Co., TX. April 28, 2013 |
Leptostyrax macrorhiza![]() Strata: Kiamichi (upper) Period: Cretaceous (102-103 mya) Tarrant Co., TX. April 2, 2011. |
Leptostyrax macrorhiza![]() Strata: Pawpaw Period: Cretaceous (c. 98 mya) Tarrant Co., TX. Dec. 10, 2006. |
Leptostyrax macrorhiza![]() Strata: Pawpaw Period: Cretaceous (c. 98 mya) Tarrant Co., TX. May 5, 2012. |
Leptostyrax macrorhiza![]() Strata: Weno Period: Cretaceous (c. 98 mya) Tarrant Co., TX. Aug. 15, 2009. |
Cretodus crassidens![]() Strata: Eagle Ford - Austin (Atco) Period: Cretaceous Ellis Co., TX. 7 Mar 2009. [Found by W Knight] |
Cretodus crassidens![]() Strata: Eagle Ford - Austin (Atco) Period: Cretaceous Ellis Co., TX. 7 Mar 2009. [Found by W Knight] |
Cretodus crassidens![]() Strata: Eagle Ford - Austin Period: Cretaceous Ellis Co., TX. 28 Oct 2012. [Found by Bobby] |
Cretodus crassidens![]() Strata: Eagle Ford - Austin Period: Cretaceous Ellis Co., TX. 28 Oct 2012. [Found by Bobby] |
Cretodus sp.![]() Strata: Eagle Ford Period: Cretaceous (c. 92 mya) Tarrant Co., TX. May 1, 2010. |
Shark centrums (vertebrae) : | |||
![]() Strata: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Collin Co., TX. July 3, 2010. |
![]() Strata: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Collin Co., TX. July 3, 2010. |
![]() Strata: Fort Worth Period: Cretaceous (c. 99 mya) Tarrant Co., TX. Aug. 18, 2007. |
![]() Strata: Weno Period: Cretaceous (c. 98 mya) Tarrant Co., TX. Aug. 15, 2009. |
![]() Strata: Duck Creek / Fort Worth Period: Cretaceous (c. 100 mya) Tarrant Co., TX. Sept. 17, 2010. |
![]() Strata: Duck Creek / Fort Worth Period: Cretaceous (c. 100 mya) Tarrant Co., TX. Sept. 17, 2010. |
![]() Strata: Duck Creek / Fort Worth Period: Cretaceous (c. 100 mya) Tarrant Co., TX. Sept. 17, 2010. |
![]() Strata: Period: Cretaceous North Texas by Sterling Z. |
Order: Hybodontoidae
(Hybodont sharks) teeth
Hybodus sp. (Polyacrodus)![]() ![]() Strata: Kiamichi Formation Period: Cretaceous (c. 102-103 mya) Loc: Tarrant Co., TX. June 26, 2014. |