Relationships among Gymnospermous pollen.
Staplin,F.L. et al. (1967) Relationships among Gymnospermous pollen. Review of Palaeobotany and Palynology Vol. 3 # 1 P. 297- 310
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Genus Species Country(Region) From To
Abies Abies Nd Rhaetian Quaternary
Alisporites Alisporites Nd Sakmarian Rhaetian
Alisporites Alisporites opii Arizona Late Triassic
Araucaria Araucaria araucana Nd Nd
Araucaria Araucaria araucana Nd Quaternary
Araucaria Araucaria imbricata Nd Quaternary
Araucariacites Araucariacites Nd Middle Liassic Neocomian
Araucariacites Araucariacites australis Canada Bajocian
Aumancisporites Aumancisporites Nd Stephanian Albian
Aumancisporites Aumancisporites cretaceus Canada Albian
Aumancisporites Aumancisporites striatus France Stephanian Autunian
Bennettiteaepollenites Bennettiteaepollenites Nd Norian Oxfordian
Bennettiteaepollenites Bennettiteaepollenites lucifer Canada Bajocian
Cerebropollenites Cerebropollenites Nd Ladinian Albian
Chasmatosporites Chasmatosporites Nd Early Liassic Neocomian
Cheileidonites Cheileidonites Nd Stephanian B Stephanian C
Cheirolepis Cheirolepis Nd Ladinian Early Tertiary