Aetheotesta |
Aetheotesta elliptica
|
France |
Stephanian |
|
Aulacotheca |
Aulacotheca elongata
|
Scotland(Lanark) |
Westphalian |
|
Boulaya |
Boulaya fertilis
|
England(Staffordshire) |
Westphalian |
|
Codonotheca |
Codonotheca caduca
|
France |
Stephanian |
|
Conostoma |
Conostoma anglo-germanicum
|
England |
Westphalian |
|
Conostoma |
Conostoma oblongum
|
England |
Westphalian |
|
Crossotheca |
Crossotheca crepini
|
France |
Stephanian |
|
Crossotheca |
Crossotheca hughesiana
|
England(Staffordshire) |
Westphalian |
|
Crossotheca |
Crossotheca kidstoni
|
England(Staffordshire) |
Westphalian |
|
Crossotheca |
Crossotheca sagittata
|
Illinois |
Middle Pennsylvanian |
|
Crossotheca |
Crossotheca schatzlarensis
|
France |
Stephanian |
|
Cyclotheca |
Cyclotheca biseriata
|
France |
Stephanian |
|
Dolerotheca |
Dolerotheca fertilis
|
France |
Stephanian |
|
Gnetopsis |
Gnetopsis elliptica
|
France |
Stephanian |
|
Goldenbergia |
Goldenbergia glomerata
|
W.Germany(Saarland) |
Westphalian |
|
Heterotheca |
Heterotheca grievii
|
Scotland(Fife) |
Nd |
|
Lagenostoma |
Lagenostoma lomaxi
|
England |
Nd |
|