| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Astacus politus[1] | Sp nov | Jr synonym | Schlüter | Early Cretaceous | Moved to the genus Protastacus in 1983. | |||
| Enoploclytia paucispina | Sp nov | Valid | Schlüter | An erymid. | ||||
| Eurycarpus | Gen et sp nov | Valid | Schlüter | A decapod, type species is E. nanodactylus. | ||||
| Hoploparia macrodactyla | Sp nov | Valid | Schlüter | A lobster | ||||
| Necrocarcinus senonensis | Sp nov | Valid | Schlüter | A necrocarcinid. | ||||
| Palaeocorystes laevis | Sp nov | Jr synonym | Schlüter | Late Cretaceous (Upper Santonian) | Moved to Bournelyreidus in 2012. | |||
| Squilla cretacea | Sp nov | Valid | Schlüter | Cretaceous | A mantis shrimp | |||
| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Aphaenogaster berendti[2] | Sp nov | jr synonym | Mayr | Middle Eocene | Baltic amber | A myrmicine ant. Moved to Stenamma berendti in 1915 | ||
| Aphaenogaster sommerfeldti | Sp nov | valid | Mayr | Middle Eocene | Baltic amber | A myrmicine ant. | ||
| Camponotus constrictus | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil formicine ant., moved to Formica constrictus in 1915 Synonym of Cataglyphoides constrictus | ||
| Camponotus mengei | Sp nov | valid | Mayr | Middle Eocene | Baltic amber | Fossil formicine ant. | ||
| Enneamerus | Gen et 2 sp nov | valid | Mayr | Middle Eocene | Baltic amber | A myrmecine ant. 2 species | ||
| Formica flori | Sp nov | valid | Mayr | Middle Eocene | Baltic amber | Fossil formicine ant | ||
| Hypoclinea balticus | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Dolichoderine ant, moved to Dolichoderus balticus in 1893 | ||
| Hypoclinea constricta | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Dolichoderine ant, jr synonym of Yantaromyrmex constricta | ||
| Hypoclinea cornuta | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Dolichoderine ant, moved to Dolichoderus cornutus in 1893 | ||
| Hypoclinea geinitzi | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Dolichoderine ant, jr synonym of Yantaromyrmex geinitzi | ||
| Hypoclinea goepperti | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Dolichoderine ant, moved to Bothriomyrmex goepperti in 1893, jr synonym of Ctenobethylus goepperti | ||
| Hypoclinea longipennis | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Dolichoderine ant, moved to Dolichoderus longipennis in 1893 | ||
| Hypoclinea sculpturata | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Dolichoderine ant, moved to Dolichoderus sculpturata in 1893 | ||
| Hypoclinea tertiaria | Sp nov | Jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Dolichoderine ant, moved to Dolichoderus tertiaria in 1893 | thumb|center|upright|Dolichoderus tertiarius | |
| Myrmica duisburgi | sp nov | jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil Agroecomyrmecine ant, moved to Agroecomyrmex duisburgi in 1910 | ||
| Pheidologeton antiquus | sp nov | jr synonym | Mayr | Middle Eocene | Baltic amber | Fossil myrmicine ant, moved to Aeromyrma antiqua in 1891 Synonym of Carebara antiqua | ||
| Ponera succinea | Sp nov | jr synonym | Mayr | Middle Eocene | Baltic Amber | A ponerine ant, moved to Pachycondyla succinea in 1995 | ||
| Prenolepis pygmaea[3] | Sp nov | Jr synonym | Mayr | Middle Eocene | European amber | Fossil formicine ant, jr synonym of Nylanderia pygmaea | ||
| Stigmomyrmex | Gen et sp nov | valid | Mayr | Middle Eocene | European amber | A myrmicin ant. Type species S. venustus | ||
| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Aublysodon | Gen et sp nov | Nomen dubium | Leidy | Late Cretaceous | Possible subjective synonym of Albertosaurus or Deinodon. | |||
| Diplotomodon | Gen nov | Nomen dubium | Leidy | Late Cretaceous | Navesink Formation or Hornerstown Formation | Possible subjective synonym of Dryptosaurus. | ||