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
Soleniscus primigenius #253
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #267
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Meekospira Peracuta #276
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Solensicus typicus #234
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Solensicus typicus #234b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #336
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Meekospira #336b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #215
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Metacoceras and 2 Amphiscapha subrugosa #264
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Worthenia tabulata #429
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Glabrocingulum grayvillense #429b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #436
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #436b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #436c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #437
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #439
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Bellerophon #440
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Euphemites blaneuanus #453
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Worthenia tabulata #454
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #454b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Ananias welleri #454c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #454d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Strobeus paludinaeformis #457
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Meekospira #465
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Strobeus brevis #465b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Shansiella sp. #474
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Shansiella sp. #474b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Worthenia tabulata #479
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #480c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #480d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #480e
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #552
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Strobeus paludinaeformis #553
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius#553b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #553d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigeniuss #553f
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #556a
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #556b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #556c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Glabrocingulum grayvillense #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
Amphiscapha subrugosa #558
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Retispira montfortianus ? #561a
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Retispira montfortianus ? #561b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Retispira montfortianus ?#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
Soleniscus primigenius #829a
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #829b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #829c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #832d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Meekospira #841
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #829d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #832e
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #842a
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #832b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Worthenia tabulata #833b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #842c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #832c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Meekospira #841b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #842f
Graham Formation (Finis Shale)
jacksboro, Jack Co., TX
Ananias welleri #973a
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Worthenia tabulata #973e
Finis Shale Formation
Jacksboro, Jack Co., TX
Amphiscapha catilloides #981c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #986b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #986f
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Glabrocingulum grayvillense #989
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Pharkidonotus percarinatus #971d
Finis Shale Formation
Jacksboro, Jack Co., TX
Ananias welleri #973b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Worthenia tabulata #973f
Finis Shale Formation
Jacksboro, Jack Co., TX
Amphiscapha catilloides #981d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #986c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #986g
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Retispira ? #971a
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Pharkidonotus percarinatus #924a
Finis Shale Formation
Jacksboro, Jack Co., TX
Ananias welleri #973c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #981a
Finis Shale Formation
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #981e
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #986d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #986h
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Pharkidonotus percarinatus #971c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Pharkidonotus percarinatus #924b
Finis Shale Formation
Jacksboro, Jack Co., TX
Phymatopleura brazoensis #973d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #981b
Finis Shale Formation
Jacksboro, Jack Co., TX
Trepospira illinoisensis#986a
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Trepospira illinoisensis #986e
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Glabrocingulum grayvillense #989
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Pharkidonotus percarinatus #971b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Pharkidonotus percarinatus #924c
Finis Shale Formation
Jacksboro, Jack Co., TX
Pharkidonotus percarinatus #924d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Pharkidonotus percarinatus #924e
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #925a
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigenius #925b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Strobeus primigenius #925c
Finis Shale Formation
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #927b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Euphemites vittatus #937b
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Strobeus paludinaeformis#925d
Finis Shale Formation
Jacksboro, Jack Co., TX
Amphiscapha subrugosa#927c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Euphemites vittatus #937c
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Soleniscus primigeniuss #925e
Finis Shale Formation
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #927d
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Worthenia tabulata and Glabrocingulum #940
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa #927a
Finis Shale Formation
Jacksboro, Jack Co., TX
Euphemites nodocarinatus #937
Graham Formation (Finis Shale)
Jacksboro, Jack Co., TX
Amphiscapha subrugosa
Finis Shale FM
Jacksboro, TX