Arcadia Park Fm.
  Tarrant Fm.

Britton Formation
(c. 92-95 mya)

The "Britton Formation" consists of the gray shale deposited above the Tarrant Formation and below the Arcadia Park Formation.  

The formation is highly fossiliferous in some areas with abundant ammonite, crustacean, and vertebrate fossils.

"The Cenomanian / Turonian boundary (92 MA) is discomformable and occurs 3 to 4 meters below the top of the Britton Formation."

Britton Formation geology:

Britton Formation shale

Loc: Denton Co., TX  April 29, 2017. 		Britton Formation shale

Loc: Denton Co., TX  April 29, 2017. 		 


Britton Formation fossils:

Placenticeras sp. ammonite

Form: Britton
Period: Cretaceous  (c. 95 mya)
Loc: Denton Co., TX  2007.		 unknown ammonite

Form: Britton
Period: Cretaceous  (c. 95 mya)
Loc: Denton Co., TX		 Enchodus sp. jaw

Form: Britton
Period: Cretaceous
Loc:  Tarrant Co., TX
turtle limb bone

Form: Britton
Period: Cretaceous
Loc: Dallas Co., TX		 Linuparis sp. lobster

Form: Britton
Period: Cretaceous
Loc: Denton Co., TX  April 7, 2007.		 Notopocorystes sp. crabs:

Form: Britton
Period: Cretaceous
Loc: Denton Co., TX  June 27, 2009.
baculites

Form: Britton
Period: Cretaceous  (c. 95 mya)
Loc:  Denton Co., TX		 Sciponoceras gracile baculite

Form: Britton
Period: Cretaceous  (c. 95 mya)
Loc:  Denton Co., TX  April 29, 2017		 Ammonite

Form: Britton
Period: Cretaceous  (c. 95 mya)
Loc:  Denton Co., TX  April 29, 2017
Ammonites

Form: Britton
Period: Cretaceous  (c. 95 mya)
Loc:  Denton Co., TX  April 29, 2017		 Placenticeras sp. ammonite (partial)

Form: Britton
Period: Cretaceous  (c. 95 mya)
Loc:  Denton Co., TX  April 29, 2017