| Archaeonycteridae(noun, creature, geohistory, fauna, extinction) |
| Holcorpa(noun, creature, geohistory, ypresian) |
| Holosteus(noun, creature, geohistory, ypresian) |
| Leptictidium(noun, creature, geohistory, ypresian) |
| Mekosuchinae(noun, creature, geohistory, ypresian) |
| Metanephrocerus(noun, creature, geohistory, ypresian) |
| Sirenia(noun, creature, geohistory, ypresian) |
| Xiphiorhynchus(noun, creature, geohistory, ypresian) |
| Ypresiomyrma(noun, creature, geohistory, ypresian) |
| Gastornithidae(noun, fauna, extinction, lutetian) |
| Mesatirhinus(noun, fauna, extinction, lutetian) |
| Pycnodontidae(noun, fauna, extinction, lutetian) |
| Pycnodus(noun, fauna, extinction, lutetian) |
| Theelia(noun, fauna, extinction, lutetian) |
| chattian extinction(noun, fauna, extinction, lutetian) |
| paleocene genus extinction(noun, fauna, extinction, lutetian) |
| priabonian extinction(noun, fauna, extinction, lutetian) |
| rupelian extinction(noun, fauna, extinction, lutetian) |
| ypresian extinction(noun, fauna, extinction, lutetian) |
| bartonian extinction(noun, fauna, extinction, lutetian) |