Trilites |
Trilites aramtus
|
Texas |
Late Atokan |
Late Missourian |
Trilites |
Trilites decoratus
|
Texas |
Late Desmoinesian |
Early Missourian |
Trilites |
Trilites triquetrus
|
Texas |
Late Desmoinesian |
Early Missourian |
Triquitrites |
Triquitrites additus
|
Texas |
Late Atokan |
Late Desmoinesian |
Triquitrites |
Triquitrites arculatus
|
Texas |
Late Atokan |
Early Missourian |
Triquitrites |
Triquitrites arculatus
|
Texas |
Late Atokan |
Early Missourian |
Triquitrites |
Triquitrites bransonii
|
Texas |
Late Atokan |
Late Virgilian |
Triquitrites |
Triquitrites praetextus
|
Texas |
Late Desmoinesian |
Late Virgilian |
Triquitrites |
Triquitrites similis
|
Texas |
Late Atokan |
Late Desmoinesian |
Triquitrites |
Triquitrites spinosus
|
Texas |
Late Desmoinesian |
|
Triquitrites |
Triquitrites trigonus
|
Texas |
Late Atokan |
Early Virgilian |
Verrucosisporites |
Verrucosisporites donari
|
Texas |
Early Wolfcampian |
|
Verrucosisporites |
Verrucosisporites microtuberosus
|
Texas |
Late Atokan |
Early Wolfcampian |
Verrucosisporites |
Verrucosisporites microverrucosus
|
Texas |
Late Atokan |
Early Wolfcampian |
Verrucosisporites |
Verrucosisporites papillosus
|
Texas |
Late Desmoinesian |
|
Vesicaspora |
Vesicaspora acrifera
|
Texas |
Early Virgilian |
Late Wolfcampian |
Vesicaspora |
Vesicaspora ovata
|
Texas |
Early Virgilian |
Late Wolfcampian |