Aulacotheca |
Aulacotheca collicola
|
USA |
Carboniferous |
|
Aulacotheca |
Aulacotheca elongata
|
Scotland |
Carboniferous |
|
Aulacotheca |
Aulacotheca hemingwayi
|
England |
Carboniferous |
|
Aulacotheca |
Aulacotheca iowensis
|
USA |
Carboniferous |
|
Aulicosporites |
Aulicosporites
|
Nd |
Nd |
|
Aulisporites |
Aulisporites
|
Nd |
Nd |
|
Aulisporites |
Aulisporites astigmosus
|
Nd |
Nd |
|
Aulisporites |
Aulisporites canalis
|
Switzerland |
Late Triassic |
|
Auroraspora |
Auroraspora
|
Nd |
Nd |
|
Auroraspora |
Auroraspora pollensimilis
|
Nd |
Nd |
|
Austrodiospyros |
Austrodiospyros cryptostoma
|
Australia |
Eocene |
|
Austrodiospyros |
Austrodiospyros ornatum
|
Nd |
Nd |
|
Autunia |
Autunia conferta
|
Germany |
Permian |
|
Axelrodia |
Axelrodia burgeri
|
Nd |
Nd |
|
Azaniadendron |
Azaniadendron
|
Nd |
Nd |
|
Azaniadendron |
Azaniadendron fertile
|
South Africa |
Permian |
|
Azinia |
Azinia
|
Nd |
Nd |
|