1921 in paleontology

Plants Newly named angiosperms Name Novelty Status Authors Age Type locality Location Notes ImagesPorana sikhote-alinensisSp novjr synonymKryshtofovichMioceneAmgu floraA mallow relative, jr synonym of Florissantia sikhote-alinensis (1992)

Arthropods Newly named insects Name Novelty Status Authors Age Unit Location Notes ImagesEoformicaGen et sp novvalidCockerellEoceneGreen River Formation An incertae sedis ant genus, type species E. eocenica(a jr synonym to Eoformica pinguis (Scudder, 1877) in 1930)

Dinosaurs Newly named dinosaurs Data courtesy of George Olshevsky's dinosaur genera list.

Name Novelty Status Authors Age Unit Location Notes ImagesSarcosaurusAndrews, C.W. 1921. On some remains of a theropodous dinosaur from the lower Lias of Barrow-on-Soar. Arm. Mag. Nat. Hist. (ser. 9) 8:pp. 570-576.Gen et sp novValid AndrewsHettangian-SinemurianBlue LiasA ceratosaurid

Synapsids Non-mammalian

Name Status Authors Age Unit Location Notes ImagesAnteosaurusValidWatsonMiddle PermianTapinocephalus Assemblage ZoneA member of Dinocephalia.EmyduranusJunior synonymBroomLate PermianCistecephalus Assemblage ZoneA junior synonym of Pristerodon.LeptotrachelusJunior synonymBroomMiddle PermianTapinocephalus Assemblage ZoneJunior synonym of GorgonopsCarroll, R. L. Vertebrate Paleontology and Evolution. W. H Freeman Company, 1988.PalemydopsValidBroomLate PermianCistecephalus Assemblage ZoneA dicynodont.

References