Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Trigonocarpales

Cycadopsida - Trigonocarpales

Taxonomy
Trigonocarpales is an order. It is not extant.

It was assigned to Cycadopsida by Meyen (1984).

Synonyms
Synonymy list
YearName and author
1984Trigonocarpales Meyen p. 89
2008Medullosales Taylor et al. p. 1028

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
phylumCycadophytaBessey 1907
RankNameAuthor
classCycadopsidaBrongniart 1843
orderTrigonocarpales
orderTrigonocarpales

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.

show all | hide all
G. †Sarcospermum Deevers 1937
hide
†Sarcospermum ovale Deevers 1937
G. †Trigonocarpolithus Arnold 1948
hide
Invalid names: Medullosales [replaced], Trigonocarpaceae [empty]
Diagnosis
No diagnoses are available