Gastropods - Jacksboro, Jack Co., TX

Kingdom: Animalia, Phylum: Mollusca, Class: Gastropoda

The gastropods from Jacksboro, TX shown below are from the Pennsylvanian, Graham Formation, Finis Shale member, and these gastropods lived about 300 million years ago. Located along the east side of the Lost Creek Resevoir Dam, the fossils wash out of the cliffs.  Collecting is allowed, but you must register and pay the fee for the state park system.

Click on images to enlarge.

Jack County, TX 

Worthenia tabulata #223

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #253

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #267

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Meekospira choctawensis #276

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Meekospira #234

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Meekospira #234b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #336

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Meekospira #336b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus #215

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Metacoceras and 2 Straparollus #264

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #429

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #429b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trespospira #436

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trespospira #436b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trespospira #436c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #437 Graham Formation (Finis Shale) Jacksboro, Jack Co., TX

Strobeus primigenius #437

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus #439

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Bellerophon #440

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Euphemites nodocarinatus #453

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #454

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #454b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #454c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #454d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #457

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Meekospira #465

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #465b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #474

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #474b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #479

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #480c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus  #480d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus #480e

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus #552

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #553

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #553b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #553d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #553f

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #556a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #556b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #556c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #556d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #556e

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #556f

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #557a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #557b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #557c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus #558

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkidontus percarinatus #561a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkidontus percarinatus #561b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkidontus percarinatus #561a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Bellerophon #566

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Bellerophon #827a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Bellerophon #827b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Bellerophon #827c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #829a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #829b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #829c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #832d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Meekospira #841

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #829d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #832e

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollos #842a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

 

Trepospira #832b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #833b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollos #842c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #832c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Meekospira #841b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollos #842f

Graham Formation (Finis Shale)

jacksboro, Jack Co., TX

Worthenia tabulata #973a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #973e

Finis Shale Formation

Jacksboro, Jack Co., TX

Straparollus #981c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #986b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #986f

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Glabrocingulum  #989

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkadontus percarinatus #971d

Finis Shale Formation

Jacksboro, Jack Co., TX

Worthenia tabulata #973b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata #973f

Finis Shale Formation

Jacksboro, Jack Co., TX

Straparollus #981d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #986c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #986g

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkadontus percarinatus  #971a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkadontus percarinatus #924a

Finis Shale Formation

Jacksboro, Jack Co., TX

Worthenia tabulata #973c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus #981a

Finis Shale Formation

Jacksboro, Jack Co., TX

Straparollus #981e

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #986d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #986h

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkadontus percarinatus  #971c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkadontus percarinatus #924b

Finis Shale Formation

Jacksboro, Jack Co., TX

Worthenia tabulata #973d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus #981b

Finis Shale Formation

Jacksboro, Jack Co., TX

Trepospira #986a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Trepospira #986e

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Glabrocingulum  #989

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkadontus percarinatus #971b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkadontus percarinatus #924c

Finis Shale Formation

Jacksboro, Jack Co., TX

Pharkadontus percarinatus #924d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Pharkadontus percarinatus #924e

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #925a

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #925b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #925c

Finis Shale Formation

Jacksboro, Jack Co., TX

Straparollus #927b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Euphemites nodocarinatus #937b

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #925d

Finis Shale Formation

Jacksboro, Jack Co., TX

Straparollus #927c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Euphemites nodocarinatus #937c

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Strobeus primigenius #925e

Finis Shale Formation

Jacksboro, Jack Co., TX

Straparollus #927d

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Worthenia tabulata and Glabrocingulum #940

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX

Straparollus #927a

Finis Shale Formation

Jacksboro, Jack Co., TX

Euphemites nodocarinatus #937

Graham Formation (Finis Shale)

Jacksboro, Jack Co., TX