Peltaspermopsida - Peltaspermales - Umkomasiaceae
Full reference: A. T. Brongniart. 1828. Prodrome d'une histoire des végétaux fossiles.
Parent taxon: Umkomasiaceae according to S. V. Meyen 1984
See also Chandra and Tewari 1991 and Lakhanpal et al. 1976
Sister taxa: Harrisiothecium, Nidia, Nidistrobus, Pteroma, Ptilozamites, Rhaphidopteris, Rhexoxylon
Subtaxa: Pachypteris auriculata Pachypteris brevipinnata Pachypteris crassa Pachypteris elegans Pachypteris gangapurensis Pachypteris haburensis Pachypteris holdenii Pachypteris indica Pachypteris lanceolata
Type: Pachypteris lanceolata
Distribution:
• Cretaceous of Argentina (2 collections), India (10)
• Jurassic to Cretaceous of Antarctica (1), Australia (1), France (1), India (2)
• Jurassic of Antarctica (3), Argentina (2), Australia (3), Colombia (1), France (6), Georgia (8), India (18), Iran (1), Italy (1), Japan (1), Lithuania (1), Norway (1), Poland (1), Romania (14), the Russian Federation (8), Serbia and Montenegro (1), Tajikistan (2), the United Kingdom (43), Uzbekistan (1)
• Triassic of Brazil (1), China (9), Germany (1), Japan (1), the Russian Federation (1)
Total: 146 collections including 172 occurrences
Specimen images are retrieved through the ePANDDA API.
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