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Amentogerdiopollenites
Taxonomy
Amentogerdiopollenites was named by Crepet and Nixon (1989). Its type is Amentogerdiopollenites oligocenensis.
It was assigned to Fagaceae by Crepet and Nixon (1989).
It was assigned to Fagaceae by Crepet and Nixon (1989).
Synonymy list
Year | Name and author |
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1989 | Amentogerdiopollenites Crepet and Nixon |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Amentogerdiopollenites Crepet and Nixon 1989
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Diagnosis
Reference | Diagnosis | |
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W. L. Crepet and K. C. Nixon 1989 | Staminate catkins robust, branched and apparently erect in life with crowded dichasia of small perigon and more than six stamens with a small anthers. Pollen tricolporate, prolate (P/E = 1.37), small (ave. diam 22 micrometer) with a geniculus. Exine tectate columellate with a relatively thick footlayer (fl/t = 0.6) and micromorphology wovenvermiform (vermiform elements ca. 0.22 micrometers in diam), with the vermiform elements occasionally braided |