Mosses Name Novelty Status Authors Age Unit Location Synonymized taxa Notes ImagesPalaeohypnumSp novjr synonymSteereEocenePribonianFlorissant FormationA moss genus. The type species is P. patens Also included P. arnoldianum, P. brittoniae, P. brownii, & P. knowltoni Species moved to Archaeomnium in 1952 Moved to Hypnites in 1980

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

Name Status Authors Age Location Notes Images AmygdalodonCabrera, A. 1947. Un sauropodo nuevo del Jurasico de Patagonia. Motas Mus. La Plata 12 Paleontol. 95: pp. 1-17. Nomen dubium Cabrera Middle Jurassic Toarcian * A sauropod known from some vertebrae, ribs, four complete and three partial teeth, and a partial pelvis and shoulder-blade.

Newly named pseudosuchians Name Status Authors Age Location Notes Images ArizonasaurusWelles, S.P. 1947. Vertebrates from the upper Moenkopi Formation of northern Arizona. University of California Publications Geol. Sci. 27: pp. 241-294. Valid Welles Middle Triassic (Anisian) ( and ) A poposaurid.

Synapsids Non-mammalian

Name Status Authors Age Location Notes Images Kunminia Valid Young Sinemurian *

Other animals Name Novelty Status Authors Age Location Notes Images Beltanella Gen. et sp. nov. Sprigg Ediacaran A discoid fossil, originally described as a jellyfish tentatively placed in the class Scyphozoa. The type species is B. gilesi.

Considered a probable junior synonym of Aspidella terranovica by Gehling, Narbonne & Anderson (2000) and Ivantsov & Zakhrevskaya (2025). Cyclomedusa Gen. et sp. nov. Sprigg Ediacaran A discoid fossil, originally described as a jellyfish of uncertain affinity (either of the classes Hydrozoa or Scyphozoa). The type species is C. davidii.

Considered a probable junior synonym of Aspidella terranovica by Gehling, Narbonne & Anderson (2000) and Ivantsov & Zakhrevskaya (2025). Dickinsonia Gen. et sp. nov. Valid Sprigg Ediacaran and A bilaterally symmetrical and ovoid fossil, originally described as a jellyfish of uncertain affinity (either of the classes Hydrozoa or Scyphozoa). The type species is D. costata. Ediacaria Gen. et sp. nov. Sprigg Ediacaran A discoid fossil, originally described as a scyphozoan jellyfish of uncertain affinity (either of the orders Semaeostomeae or Rhizostomeae). The type species is E. flindersi.

Considered a probable junior synonym of Aspidella terranovica by Gehling, Narbonne & Anderson (2000) and Ivantsov & Zakhrevskaya (2025). Papilionata Gen. et sp. nov. Junior synonym Sprigg Ediacaran A bilaterally symmetrical fossil, originally described as a jellyfish of uncertain affinity (either of the classes Hydrozoa or Scyphozoa). Synonym of Dickinsonia. The type species is P. eyrei.

References