Genus Alsophila

Species total:
19
Age range:
230 - 0.01 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Alsophila arcuata Early Triassic Late Eocene
Alsophila asperatus Triassic Early Cretaceous
Alsophila Keuper Pliocene
Alsophila parvispinosa Keuper Early Cretaceous
Alsophila sp Carnian Pleistocene
Alsophila chetaensis Rhaetian Albian
Alsophila arquata Rhaetian Middle Jurassic
Alsophila asperata Liassic Early Cretaceous
Alsophila chetensis Middle Liassic Albian
Alsophila agregata Neocomian Neocomian
Alsophila formosa Early Cretaceous Tertiary
Alsophila major Neocomian Paleocene
Alsophila albifrons Late Hauterivian Late Hauterivian
Alsophila australis Aptian Neogene
Alsophila villosa Cenomanian Coniacian
Alsophila blechnoides Paleogene Neogene
Alsophila sp. Agra.et al,1956 Early Oligocene Early Oligocene