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Umkomasia
Taxonomy
Umkomasia was named by Thomas (1933). It is not extant. Its type is Umkomasia macleani.
It was assigned to Umkomasiaceae by Meyen (1984); and to Corystospermaceae by Holmes (1987).
It was assigned to Umkomasiaceae by Meyen (1984); and to Corystospermaceae by Holmes (1987).
Species
Beania geminata, Pilophorosperma granulatum, U. cacheutensis, U. distans, U. macleani (type species), U. polycarpa, U. sessilis
Synonyms
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Synonymy list
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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. †Umkomasia Thomas 1933
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†Umkomasia cacheutensis Frenguelli 1942
†Umkomasia distans Holmes 1987
†Umkomasia macleani Thomas 1933
†Umkomasia polycarpa Holmes 1987
†Umkomasia sessilis Holmes 1987
Invalid names: Beania geminata Shirley 1898 [nomen dubium], Karibacarpon Lacey 1974 [synonym], Pilophorosperma Thomas 1933 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Triassic to the top of the Late/Upper Triassic or 251.90200 to 201.40000 Ma
Collections (29 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Triassic | Australia (New South Wales) | Karibacarpon sp. 1 (29451) | |
| Triassic | Chile (Chañaral) | U. sp. (224049) | |
| Anisian | Australia (New South Wales) | U. sp. (207608) | |
| Middle Triassic | Australia (Queensland) | U. polycarpa (207739) | |
| Middle Triassic | Australia (New South Wales) | U. distans, U. sessilis (29423) | |
| Carnian | South Africa (Kwazulu-Natal) | U. sp. (23002) | |
| Carnian | South Africa | U. sp. (23084) | |
| Carnian | South Africa (Eastern Cape) | U. sp. (23004 23086 23131 23143 23317) | |
| Carnian | Lesotho | U. sp. (23075) | |
| Carnian | South Africa (Free State) | U. sp. (23095) | |
| Late/Upper Triassic | Lesotho | U. sp. (23128 23129) | |
| Late/Upper Triassic | South Africa (Kwazulu-Natal) | U. sp. (23003 23015 23069 23070 23076) | |
| Late/Upper Triassic | South Africa (Eastern Cape) | U. sp. (23127 23132 23144 23229) | |
| Late/Upper Triassic | South Africa | U. sp. (23130) | |
| Norian | Australia (Queensland) | Beania geminata (111774 111777) | |
| Rhaetian | Germany | U. sp. (31300) |