Arthropods
Crustaceans Name Novelty Status Authors Age Unit Location Notes ImagesAnthracomysisGen. et sp. novJr synonymvan StraelenWestphalian Type species is A. rostrata, junior synonym of Gorgonophontes fraiponti.Palaeocaris lohestiSp. novJr synonymvan StraelenWestphalian Junior synonym of Gorgonophontes fraiponti.Perimecturus fraipontiSp. novJr synonymvan StraelenWestphalian Junior synonym of Gorgonophontes fraiponti.
Insects Name Novelty Status Authors Age Unit Location Notes ImagesHydriomena? protritasp. novvalid CockerellPriabonian Florissant FormationA geometrid moth
Archosauromorphs Newly named phytosaurs
Name Status Authors Age Unit Location Notes ImagesAngistorhinopsisHuene, F. von 1922, Neue Beitrage zur Kenntnis der Parasuchier: Jahrbuch der Preussischen Geologischen Landesanstalt zu Berlin, v. 42, n. 1, p. 59-160.Nomen dubiumFriedrich von HueneLate Triassic (Rhaetian)KnollenmergelA member of Pseudopalatinae.LeptosuchusValid taxonCaseCase, E. C., 1922, New reptiles and stegocephalians from the Upper Triassic of Western Texas: Carnegie Institute of Washington, Publication n. 321, p. 1-84.Late Triassic (early Norian)Tecovas Formation ()A basal member of Leptosuchomorpha.PromystriosuchusValid taxonCaseLate Triassic (early Norian)Tecovas Formation ()A basal phytosaur
Dinosaurs Krausel reported fossil gut contents from an Edmontosaurus annectens mummy. He described the material as including conifer needles and branches, deciduous foliage, and possible small seeds or fruit. Abel argued that the plant material Krausel argues was the fossilized remains of the gut contents of an Edmontosaurus annectens was actually deposited by flowing water.
New taxa Taxon Novelty Status Author(s) Age Unit Location Notes Images Alamosaurus sanjuanensisGilmore, C.W. 1922. A new sauropod dinosaur from the Ojo Alamo formation of New Mexico. Smithsonian Misc. Collect. 72: pp. 1-9. Gen. et sp. nov. Valid Gilmore Maastrichtian Ojo Alamo Formation A North American titanosaur Dromaeosaurus albertensisMatthew, W.D. and B. Brown. 1922. The family Deinodontidae with notice of a new genus from the Cretaceous of Alberta. Amer. Museum Nat. Hist. Bull. 46: pp. 367-385. Gen. et sp. nov. Valid Matthew & Brown Campanian Dinosaur Park Formation A dromaeosaurid Erectopus superbusHuene, F. von. 1922. Uber einen Sauropoden im oberen Malm des Bemer Jura. Eclogae Geol. Helvetiae 17: pp. 80-94. Gen. et sp. nov Valid Huene Albian Phosphate-bearing beds of La Penthèive (Mammilatum Zone) A metriacanthosaurid Parasaurolophus walkeri Gen. et sp. nov. Valid Parks Campanian Dinosaur Park Formation A hadrosaurid
Plesiosaurs
New taxa
Name Status Authors Age Unit Location NotesImages Eurycleidus Valid Andrews Hettangian-SinemurianLower Lias A rhomaleosaurid. A new genus for "Plesiosaurus" arcuatus Owen (1840) Leptocleidus Valid Andrews BarremianWeald Clay
A leptocleidid.
Synapsids
Non-mammalian
Name Status Authors Age Location NotesImagesDviniaValidAmalitski255 Millions of years ago EosimopsValidBroom257 Millions of years ago OligokyphusValidHennig198 Millions of years ago.
()The Last North American Cynodont.VenyukoviaValidAmalitski264 Millions of years ago.
References