Botryopteris |
Botryopteris forensis
|
France(Loire) |
Nd |
|
Botryopteris |
Botryopteris globosa
|
Pennsylvania |
Desmoinesian |
Virgilian |
Botryopteris |
Botryopteris sp
|
France(Loire) |
|
|
Boweria |
Boweria schatzlarensis
|
England |
Westphalian |
|
Bowmanites |
Bowmanites sp
|
Nd |
Westphalian A |
|
Bowmanites |
Bowmanites trisporangiatus
|
Nd |
Nd |
|
Calamitaceae |
Calamitaceae
|
Nd |
Nd |
|
Calamodendron |
Calamodendron
|
France(Paris Basin) |
|
|
Calamospora |
Calamospora
|
Nd |
Nd |
|
Calamostachys |
Calamostachys americana
|
Nd |
Nd |
|
Calamostachys |
Calamostachys binneyana
|
Nd |
Nd |
|
Calamostachys |
Calamostachys binneyana
|
Canada(Nova Scotia) |
|
|
Calamostachys |
Calamostachys solmsii
|
Nd |
Nd |
|
Calamostachys |
Calamostachys sp
|
Nd |
Nd |
|
Calymmatotheca |
Calymmatotheca bifida
|
England |
|
|
Caytonanthus |
Caytonanthus arberi
|
England |
Jurassic |
|
Caytonanthus |
Caytonanthus oncodes
|
England |
Jurassic |
|