Texas Cretaceous sharks

Phylum: Chordata

Class: Chondrichthyes, Subclass: Elasmobranchii
Order: Lamniformes
(regular sharks)

Cretaceous period: (click for Pennsylvanian-Permian Period)
Cretalamna appendiculata Formation: Kiamichi (upper) Period: Cretaceous (102-103 mya) Tarrant co., Tx. April 2, 2011.	Cretalamna appendiculata Formation: Fort Worth Period: Cretaceous (c. 99 mya) Tarrant co., Tx. Aug. 18, 2007.	Cretalamna appendiculata Formation: Grayson Period: Cretaceous (c. 95-96 mya) Tarrant co., Tx. Dec. 8, 2007.	Cretalamna appendiculata Formation: Grayson Period: Cretaceous (c. 95-96 mya) Tarrant co., Tx. April 28, 2013

Leptostyrax macrorhiza

Formation: Kiamichi (upper)
Period: Cretaceous (102-103 mya)
Tarrant co., Tx. April 2, 2011.

Leptostyrax macrorhiza

Formation: Pawpaw
Period: Cretaceous (c. 98 mya)
Tarrant co., Tx. Dec. 10, 2006.

Leptostyrax macrorhiza

[+]
Formation: Pawpaw
Period: Cretaceous (c. 98 mya)
Tarrant co., Tx. May 5, 2012.

Leptostyrax macrorhiza

Formation: Weno
Period: Cretaceous (c. 98 mya)
Tarrant co., Tx. Aug. 15, 2009.

Squalicorax falcatus Formation: Austin (Atco) Period: Cretaceous Collin co., Tx. July 3, 2010.	Squalicorax falcatus (same) Formation: Austin (Atco) Period: Cretaceous Collin co., Tx. July 3, 2010.	Squalicorax pristodontus Formation: Ozan? Age: Cret. (Campanian 83-72 mya) Location: NE Texas by Tera S.	Squalicorax pristodontus Formation: Ozan? Age: Cret. (Campanian 83-72 mya) Location: NE Texas by Tera S.
Squalicorax curvatus? Formation: Eagle Ford Period: Cretaceous (c. 94 mya) Tarrant co., Tx. May 2010.	Squalicorax curvatus? (same) Formation: Eagle Ford Period: Cretaceous (c. 94 mya) Tarrant co., Tx. May 2010.	Squalicorax shark teeth Formation: Eagle Ford Period: Cretaceous (c. 94 mya) Tarrant co., Tx. 2005-2006.

Cretoxyrhina mantelli

Formation: Eagle Ford
Period: Cretaceous (c. 90-94 mya)
Tarrant co., Tx. 2005-2006.

Cretoxyrhina mantelli

Formation: Eagle Ford
Period: Cretaceous (c. 90-94 mya)
Tarrant co., Tx. 2005-2006.

Cretodus crassidens Formation: Eagle Ford - Austin (Atco) Period: Cretaceous Ellis co., Tx. March 7, 2009. [Found by W Knight]	Cretodus crassidens Formation: Eagle Ford - Austin (Atco) Period: Cretaceous Ellis co., Tx. March 7, 2009. [Found by W Knight]	Cretodus crassidens [+] Formation: Eagle Ford - Austin Period: Cretaceous Grayson co., Tx. 2012. [Found by Bobby]	Cretodus crassidens [+] Formation: Eagle Ford - Austin Period: Cretaceous Grayson co., Tx. 2012. [Found by Bobby]
Cretodus? [+] Formation: Eagle Ford Period: Cretaceous (c. 92 mya) Tarrant co., Tx. May 1, 2010.

Protolamna sp.

Formation: Pawpaw
Period: Cretaceous (c. 98 mya)
Tarrant co., Tx. Nov. 2013.

Protolamna sp.

Formation: Pawpaw
Period: Cretaceous (c. 98 mya)
Tarrant co., Tx. Nov. 2013.

Protolamna sp.

Formation: Pawpaw
Period: Cretaceous (c. 98 mya)
Tarrant co., Tx . Sep. 13, 2014.

Protolamna sp.

Formation: Pawpaw
Period: Cretaceous (c. 98 mya)
Tarrant co., Tx. Sep. 13, 2014.

Paraisurus sp.

[Roz M]
Formation: Kiamichi
Period: Cretaceous (c. 102-103 mya)
Tarrant co., Tx. June 25, 2011.

Paraisurus sp.

[Roz M]
Formation: Kiamichi
Period: Cretaceous (c. 102-103 mya)
Tarrant co., Tx. June 25, 2011.

Paraisurus sp.

[Roz M]
Formation: Kiamichi
Period: Cretaceous (c. 102-103 mya)
Tarrant co., Tx. June 25, 2011.

Shark centrums (vertebrae) :
Formation: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Collin co., Tx. July 3, 2010.	(same) Formation: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Collin co., Tx. July 3, 2010.	Formation: Fort Worth Period: Cretaceous (c. 99 mya) Tarrant co., Tx. Aug. 18, 2007.	Formation: Weno Period: Cretaceous (c. 98 mya) Tarrant co., Tx. Aug. 15, 2009.
[+] Formation: Duck Creek / Fort Worth Period: Cretaceous (c. 100 mya) Tarrant co., Tx. Sept. 17, 2010.	[+] Formation: Duck Creek / Fort Worth Period: Cretaceous (c. 100 mya) Tarrant co., Tx. Sept. 17, 2010.	[+] Formation: Duck Creek / Fort Worth Period: Cretaceous (c. 100 mya) Tarrant co., Tx. Sept. 17, 2010.	Formation: Period: Cretaceous North Texas by Sterling Z.

Order: Hybodontoidae
(Hybodont sharks) teeth

Ptychodus latissimus? Formation: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Midlothian, Tx. Oct. 30, 2010.	Ptychodus latissimus? (same) Formation: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Midlothian, Tx. Oct. 30, 2010.	Ptychodus latissimus? Formation: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91 mya) Midlothian, Tx. Oct. 6, 2007.
Ptychodus marginalis (top) Formation: Eagle Ford (Kamp Ranch LS) Period: Cretaceous (c. 92 mya) Dallas co., Tx. April 13, 2008.	Ptychodus marginalis (side) Formation: Eagle Ford (Kamp Ranch LS) Period: Cretaceous (c. 92 mya) Dallas co., Tx. April 13, 2008.	Ptychodus marginalis Formation: Eagle Ford (Kamp Ranch LS) Period: Cretaceous (c. 92 mya) Dallas co., Tx. Sep. 25, 2011.
Ptychodus tooth set (reproduction) Courtesy Roger F.	Ptychodus tooth set (reconstruction) Courtesy Shawn H.	Ptychodus tooth set (reconstruction) Courtesy Shawn H.
Ptychodus shark teeth Formation: Eagle Ford Period: Cretaceous (c. 90-94 mya) Tarrant co., Tx.	Ptychodus shark teeth Formation: Eagle Ford Period: Cretaceous (c. 90-94 mya) Tarrant co., Tx.	Ptychodus whipplei teeth Formation: Eagle Ford-Austin (Atco) Period: Cretaceous (c. 91? mya) Midlothian, Tx. Oct. 6, 2007.
Paraptychodus washitaensis Formation: Duck Creek Period: Cretaceous (c. 102 mya) Tarrant co., Tx. May 31, 2009.	Paraptychodus washitaensis (same) Formation: Duck Creek Period: Cretaceous (c. 102 mya) Tarrant co., Tx. May 31, 2009.
Ptychodus mortoni Formation: Austin Group Age: Cretaceous Location: North Texas by Tera S.	Ptychodus mortoni Formation: Austin Group Age: Cretaceous Location: North Texas by Tera S.	Ptychodus mortoni Formation: Austin Group Age: Cretaceous Location: North Texas by Tera S.