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. |
Cretoxyrhina mantelli
 Strata: Eagle Ford Period: Cretaceous (c. 90-94 mya) Tarrant Co., TX. 2005-2006. |
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 sp.
[+]Strata: Eagle Ford Period: Cretaceous (c. 92 mya) Tarrant Co., TX. May 1, 2010. |
Protolamna sp.
 Strata: Pawpaw Period: Cretaceous (c. 98 mya) Tarrant Co., TX. Nov. 2013. |
Protolamna sp.
 Strata: Pawpaw Period: Cretaceous (c. 98 mya) Tarrant co., Tx . Sep. 13, 2014. |
Paraisurus sp.
 Strata: Kiamichi Period: Cretaceous (c. 102-103 mya) Tarrant Co., TX. June 25, 2011. [Roz M] |
| Shark centrums (vertebrae) : | ||
  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. |
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Order: Hybodontoidae
(Hybodont sharks) teeth
Ptychodus latissimus?
 Strata: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Midlothian, Tx. Oct. 30, 2010. |
Ptychodus latissimus? Strata: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Midlothian, Tx. Oct. 6, 2007. |
Ptychodus marginalis  Strata: Eagle Ford Grp (Kamp Ranch Ls) Period: Cretaceous (c. 92 mya) Dallas Co., TX. April 13, 2008. |
Ptychodus marginalis Strata: Eagle Ford Grp (Kamp Ranch Ls.) Period: Cretaceous (c. 92 mya) Dallas Co., TX. Sep. 25, 2011. |
Ptychodus marginalis
 Strata: Eagle Ford Grp (Kamp Ranch Ls.) Period: Cretaceous (c. 92 mya) Collin Co., TX. 4 June 2023. |
Ptychodus marginalis Strata: Eagle Ford Grp (Arcadia Park) Period: Cretaceous (c. 92 mya) Dallas Co., TX. 17 March 2019. |
Ptychodus tooth set (reproduction) Courtesy Roger F. |
Ptychodus tooth set (reconstruction) Courtesy Shawn H. |
Ptychodus tooth set (reconstruction) Courtesy Shawn H. |
Ptychodus whipplei teeth Strata: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91? mya) Midlothian, Tx. Oct. 6, 2007. |
Ptychodus sp. shark teeth  Strata: Eagle Ford Period: Cretaceous (c. 90-94 mya) Tarrant co., Tx. |
Ptychodus sp. shark teeth  Strata: Eagle Ford Period: Cretaceous (c. 90-94 mya) Tarrant co., Tx. |
Paraptychodus washitaensis
 Strata: Duck Creek Period: Cretaceous (c. 102 mya) Loc: Tarrant Co., TX. May 31, 2009. |
unknown tooth
 Strata: Eagle Ford Group [near Kamp Ranch Ls.] Period: Cretaceous Loc: Denton Co., TX. 29 April 2017. |
Ptychodus sp. 
 Strata: Eagle Ford Group [near Kamp Ranch Ls.] Period: Cretaceous Loc: Denton Co., TX. 29 April 2017. |
|
Ptychodus mortoni
 Strata: Austin Group Age: Cretaceous Location: North Texas by Tera S. |
Ptychodus mortoni Strata: Austin Group Age: Cretaceous Location: North Texas by Tera S. |
Hybodus sp. (Polyacrodus)  Strata: Kiamichi Formation Period: Cretaceous (c. 102-103 mya) Loc: Tarrant Co., TX. June 26, 2014. |
