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

Pterostoma

Cycadopsida - Cycadales - Zamiaceae

Taxonomy
Pterostoma was named by Hill (1980). It is not extant. Its type is Pterostoma zamioides.

It was assigned to Zamiaceae by Hill (1980).

Synonymy list
YearName and author
1980Pterostoma Hill

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

RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
phylumCycadophytaBessey 1907
classCycadopsidaBrongniart 1843
RankNameAuthor
orderCycadalesDumortier 1829
familyZamiaceaeHoraninow 1834
genusPterostoma

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. †Pterostoma Hill 1980
show all | hide all
Pterostoma douglasii Hill and Pole 1994
Pterostoma hirsutus Hill and Pole 1994
Pterostoma zamioides Hill 1980
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Early/Lower Eocene to the top of the Middle Miocene or 56.00000 to 11.63000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene56.0 - 48.07Australia (Tasmania) P. hirsutus (167651) P. sp., P. hirsutus (167648)
Early/Lower Eocene - Middle Eocene56.0 - 37.71Australia (New South Wales) P. anastomosans (166623)
Middle Eocene48.07 - 37.71Australia (Victoria) Pterostoma indet. (166973 167121) P. zamioides (167109)
Middle Eocene48.07 - 37.71Australia (New South Wales) P. anastomosans (97219)
Late/Upper Eocene37.71 - 33.9Australia (Victoria) Pterostoma indet. (166824 166980 167130) P. zamioides (97218)
Early/Lower Oligocene33.9 - 27.3Australia (Tasmania) P. anastomosans (166832)
Early/Lower Miocene - Middle Miocene23.04 - 11.63New Zealand (Otago) P. douglasii (166739)