Triquitrites |
Triquitrites sculptilis
|
England |
Late Westphalian B |
Late Westphalian D |
Triquitrites |
Triquitrites sculptilis
|
W.Germany |
Early Westphalian D |
|
Triquitrites |
Triquitrites sculptilis
|
Belgium |
Westphalian C |
|
Triquitrites |
Triquitrites sculptilis
|
Scotland |
Late Westphalian B |
Late Westphalian D |
Triquitrites |
Triquitrites simplex
|
Germany |
Stephanian A |
|
Triquitrites |
Triquitrites simplex
|
Poland |
Westphalian D |
|
Triquitrites |
Triquitrites spinosus
|
Ohio |
Westphalian |
|
Triquitrites |
Triquitrites spinosus
|
Indiana |
Westphalian |
|
Triquitrites |
Triquitrites spinosus
|
Illinois |
Westphalian |
|
Triquitrites |
Triquitrites tribullatus
|
Germany |
Late Westphalian B |
|
Triquitrites |
Triquitrites tribullatus
|
USSR |
|
|
Triquitrites |
Triquitrites tricoronatus
|
Scotland(Ayr) |
Westphalian A |
|
Triquitrites |
Triquitrites trigonappendix
|
Germany |
Late Westphalian B |
|
Triquitrites |
Triquitrites tripartitus
|
France |
Westphalian D |
|
Triquitrites |
Triquitrites tripertitus
|
England |
Namurian A |
Namurian C |
Triquitrites |
Triquitrites tripertitus
|
Czechoslovakia |
Namurian A |
|
Triquitrites |
Triquitrites triturgidus
|
W.Germany |
Late Westphalian B |
|