Insects
New taxa Name Novelty Status Authors Age Unit Location Notes ImagesOsmylus pictaSp. novSynonymHagenPriabonianBaltic amberA protosmyline Osmylid lance lacewing Moved to "Protosmylus" picta (1913) moved to Osmylidia picta (2021)
Conodonts
New taxa Taxon Novelty Status Author(s) Age Unit Location Notes Images AcodusMonographie der fossilen fische des silurischen systems des Russisch-baltischen gouvernements. CH Pander, 1856 Valid Pander Gnathodus valid Pander Early Carboniferous Prioniodus validPander
Archosauromorphs
Dinosaurs
New taxa Taxon Novelty Status Author(s) Age Unit Location Notes Images Deinodon horridusLeidy, J. 1856. Notices of the remains of extinct reptiles and fishes, discovered by Dr. F.V. Hayden in the badlands of the Judith River, Nebraska Territory. Proc Acad. Nat. Sci. 1856: pp. 72-72. Gen. et sp. nov. Nomen dubium Leidy Campanian Judith River Formation Might be a subjective synonym of Gorgosaurus or Daspletosaurus. "Dinosaurus gresslyi"Rutimeyer. L. 1856. (Dinosaurus gresslyi). Biblio. Universelle Geneve Arch. September 1856: p. 53. Invalid Nomen nudum Rütimeyer Rhaetian Knollenmergel Preoccupied by a therapsid but invalid as published in an abstract. Later named Gresslyosaurus Palaeoscincus costatus Gen. et sp. nov. Nomen dubium Leidy Campanian Judith River Formation Possible subjective synonym of Edmontonia or Panoplosaurus. Thespesius occidentalis Gen. et sp. nov. Nomen dubium Leidy Maastrichtian Lance Formation A dubious hadrosaurid. Trachodon mirabilis Gen. et sp. nov. Nomen dubium Leidy Campanian Judith River Formation A dubious hadrosaurid. Troodon formosus Gen. et sp. nov. Disputed Leidy Campanian Judith River Formation A potentially dubious troodontid.
Pterosaurs Albert Oppel reported the discovery of a pterosaur lower jaw from the Posidonia shales of Holzmaden. This was the first pterosaur specimen to be reported from these deposits, which would go on to produce many pterosaur fossils of exceptional quality.
Phytosaurs
New taxa Taxon Novelty Status Author(s) Age Unit Location Notes Images CentemodonLea, I. 1856. Description of Centemodon sulcatus. Proceedings of the Academy of Natural Sciences, Philadelphia 10: pp. 77-78. Nomen dubium Lea
Crocodylomorphs
New taxa Taxon Novelty Status Author(s) Age Unit Location Notes Images DakosaurusQuenstedt, F. A. 1856. Sonst und Jetzt. Populäre Vorträge über Geologie. Tübingen: Laupp. [pp. 128, 130]. Valid Quenstedt A metriorhynchid thalattosuchian belong to Geosaurinae.
References