| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images | |
|---|---|---|---|---|---|---|---|---|---|
| Aeromyrma antiqua[1] | Comb nov | jr synonym | (Mayr, 1868) | Middle Eocene | Baltic amber | Fossil myrmicine ant, moved to Erebomyrma antiqua in 1915 Synonym of Carebara antiqua | |||
| Cataulacus planiceps | Sp nov | valid | Emery | Late Eocene? - Middle Miocene? | Sicilian amber | A myrmicine ant. | |||
| Cataulacus silvestrii | Sp nov | valid | Emery | Late Eocene? - Middle Miocene? | Sicilian amber | A myrmicine ant. | |||
| Ectatomma gracile | Sp nov | valid | Emery | Late Eocene? - Middle Miocene? | Sicilian amber | An ectatommine ant. | |||
| Hypopomyrmex | Gen et sp nov | valid | Emery | Late Eocene? - Middle Miocene? | Sicilian amber | A myrmicine ant. Type species H. bombiccii | |||
| Plagiolepis labilis | Sp nov | valid | Emery | Late Eocene? - Middle Miocene? | Sicilian amber | A formicine ant. | |||
| Ponera leptocephala | Sp nov | valid | Emery | Late Eocene? - Middle Miocene? | Sicilian amber | A ponerine ant. |
| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Agrosaurus | Gen et sp nov | Possible jr. synonym | Seeley | Rhaetian? | Possible junior subjective synonym of Thecodontosaurus. | |||
| Ammosaurus | Gen nov | synonym | Marsh | Early Jurassic | Jr synonym of Anchisaurus polyzelus | |||
| Calamosaurus | Gen et comb nov | Nomen dubium | Lydekker | Barremian | Wessex Formation | a possible basal coelurosaurian | ||
| Sterrholophus | Gen et comb nov | Jr. synonym | Marsh | Maastrichtian | Lance Formation | Type species S. flabellatus Junior subjective synonym of Triceratops horridus. | ||
| Torosaurus | Gen et 2 sp | Valid | Marsh | Maastrichtian | Lance Formation | |||