Ptychodus anonymus

SKU
T085
In stock
$45.00
Overview

A Top Quality Ptychodus anonymusan extinct durophagous (shell-crushing) shark, tooth from Johnson Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face. Authenticity guaranteed. Perfect tooth. 

T085            SIZE: 3/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

This catalog contains excellent teeth from a durophagous (shell-crushing) shark - Ptychodus anonymus. These teeth were collected from the Arcadia Park Formation. All teeth are complete and well preserved.

Eagle Ford Group  - The Eagle Ford Group is a sedimentary rock formation deposited during the Upper Cretaceous Cenomanian and Turonian ages (90-95 MYA) that covers much central Texas. Eagle Ford Group contains the following fossil bearing units.

  • Arcadia Park Formation is a member of the Eagle Ford Group in Central Texas (Turonian age)
  • South Bosque Shale Formation is a member of the Eagle Ford Group in Central Texas (early Turonian)
  • Lake Waco Formation is a member of the Eagle Ford Group in Central Texas (Cenomanian)

Kamp Ranch Formation (member) is limestone which is part of the Arcadia Park Fm., Eagle Ford Group that dates to the Middle Turonian age (90 MYA) in Dallas County, Texas

Taylor Marl Formation is Upper Cretaceous calcareous marl that dates to the Campanian age (75 MYA).

Kemp Clay Formation is Upper Cretaceous calcareous marl that dates to the Maastrichtian age (68 MYA).