2023 in paleontology

nov El-Desouky, Herbig & Kora Carboniferous (Kasimovian) Aheimer Formation Egypt A rugose coral belonging to the group Stauriida and the family Antiphyllidae.

nov Valid Samaniego-Pesqueira, Löser & Moreno-Bedmar Early Cretaceous (Albian) Espinazo del Diablo Formation Mexico A coral belonging to the superfamily Stylinoidea and the family Aulastraeoporidae.

nov Valid Moon, Caron & Moysiuk Cambrian Burgess Shale Canada( British Columbia) A medusozoan, possibly a member of the stem group to Cubozoa or Acraspeda; described on the basis of fossil material representing a free-swimming medusa.

nov Valid Löser, Werner & Darga Late Cretaceous (Cenomanian) Branderfleck Formation Germany A coral belonging to the superfamily Stylinoidea and the family Stylinidae.

nov El-Desouky, Herbig & Kora Carboniferous (Kasimovian) Aheimer Formation Egypt A rugose coral belonging to the group Stauriida and the family Antiphyllidae.

nov Valid Samaniego-Pesqueira, Löser & Moreno-Bedmar Early Cretaceous (Albian) Espinazo del Diablo Formation Mexico A coral belonging to the superfamily Eugyroidea and the family Solenocoeniidae.

nov Valid Pacaud Miocene France A member of Cyclostomata belonging to the family Spiroporidae; a replacement name for Spiropora elegans Millet de la Turtaudière (1865).

nov Baranov & Blodgett Devonian (Pragian) Soda Creek Limestone United States( Alaska) Published online in 2024, but the issue date is listed as December 2023.

nov Baranov & Blodgett Devonian (Pragian) Soda Creek Limestone United States( Alaska) Genus includes new species R. lata.

nov Valid Ausich & Wilson Carboniferous (Tournaisian) Cuyahoga Formation United States( Ohio) A camerate crinoid belonging to the group Monobathrida and the family Coelocrinidae.

nov Thuy, Piñuela & García-Ramos Early Jurassic (Sinemurian) Rodiles Formation Spain A brittle star belonging to the order Ophiacanthida and the suborder Ophiodermatina.

nov Valid Ausich & Wilson Carboniferous (Tournaisian) Cuyahoga Formation United States( Ohio) A camerate crinoid belonging to the group Monobathrida and the family Actinocrinitidae.

nov Valid Ausich et al. Silurian (Homerian) Laurel Formation United States( Ohio) A crinoid belonging to the group Monobathrida and the family Eucalyptocrinitidae.

nov Valid Ausich & Wilson Carboniferous (Tournaisian) Cuyahoga Formation United States( Ohio) A camerate crinoid belonging to the group Monobathrida and the family Actinocrinitidae.

nov Valid Ausich & Wilson Carboniferous (Tournaisian) Cuyahoga Formation United States( Ohio) A crinoid belonging to the group Cladida and the family Decadocrinidae.

nov Valid Park & Lee Ordovician (Darriwilian) Jigunsan Formation South Korea A camerate crinoid belonging to the group Diplobathrida and the family Rhodocrinitidae.

nov Valid Reddy et al. Devonian (Pragian to Emsian) Baviaanskloof Formation South Africa A brittle star belonging to the group Oegophiurida and the family Encrinasteridae.

nov Valid Kalyakin & Barsukov Early Cretaceous (Albian) Russia( Vladimir Oblast) A sea urchin belonging to the group Cassiduloida and the family Nucleolitidae.

nov Valid Sweeney & Sumrall Ordovician (Sandbian) Benbolt Formation United States( Tennessee) A rhombiferan belonging to the group Glyptocystitida and the family Pleurocystitidae.

nov Valid Gale Late Cretaceous (Cenomanian) Aït Lamine Formation Morocco United Kingdom A crinoid belonging to the family Roveacrinidae.

nov Valid Botting & Muir Ordovician (Darriwilian) Gilwern Volcanic Formation United Kingdom A spoon worm belonging to the family Thalassematidae.

nov Valid Botting, Muir & Ma Ordovician Gilwern Volcanic Formation United Kingdom A hexactinellid sponge belonging to the family Teganiidae.

nov Valid Peel Cambrian (Wulian) Henson Gletscher Formation Greenland An organism of uncertain affinities, with similarities to wiwaxiid and annelid sclerites, thelodont scales and the foraminiferan Lagena.

nov Valid Martyshyn Ediacaran Studenitsa Formation Ukraine An organism of uncertain affinities, possibly a benthic plant with similarities to green algae or a fossil of the polyp stage of a medusozoan.