Triquitrites |
Triquitrites spinosus
|
Ohio |
Pennsylvanian |
|
Triquitrites |
Triquitrites tribullatus
|
W.Germany(N.Rhine) |
Westphalian C |
|
Triquitrites |
Triquitrites trigonappendix
|
W.Germany(N.Rhine) |
Westphalian B |
|
Triquitrites |
Triquitrites triturgidus
|
W.Germany(N.Rhine) |
Westphalian B |
|
Triquitrites |
Triquitrites verrucosus
|
Iowa |
Desmoinesian |
|
Tuberculatisporites |
Tuberculatisporites microtuberosus
|
Nd |
Nd |
|
Tuberculatisporites |
Tuberculatisporites pertuberosus
|
Nd |
Nd |
|
Tuberculatisporites |
Tuberculatisporites tuberculatus
|
Tennessee |
Pennsylvanian |
|
Tuberculatisporites |
Tuberculatisporites tuberosus
|
Nd |
Nd |
|
Valvisisporites |
Valvisisporites auriculaferens
|
Germany |
Westphalian B |
|
Valvisisporites |
Valvisisporites tribullatus
|
Nd |
Nd |
|
Valvisisporites |
Valvisisporites trigonappendix
|
W.Germany(N.Rhine) |
Westphalian B |
|
Valvisisporites |
Valvisisporites trilobus
|
Nd |
Nd |
|
Valvisisporites |
Valvisisporites triturgidus
|
Nd |
Nd |
|
Verrucosisporites |
Verrucosisporites bucculentus
|
Germany |
Westphalian B |
|
Verrucosisporites |
Verrucosisporites firmus
|
Nd |
Nd |
|
Verrucosisporites |
Verrucosisporites gibbosus
|
Germany |
Westphalian B |
Westphalian C |