Kirtland Formation
156 distinct taxa, from 566 fossil occurrences the Paleobiology Database records under this name, spanning 84–66 Mya.
New Mexico · US
156 taxa · 566 fossils · 84–66 MyaMembers recorded: Hunter Wash, De-na-zin, Naashoibito, Farmington, De-na-zin?, Hunter Wash?.
Macrostrat dates this rock 75–66 Ma. Macrostrat’s own record
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24 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Hadrosauridae
- Adocus
- Denazinemys nodosa
- Baenidae
- Testudines
- Basilemys gaffneyi
- Trionychidae
- Aspideretoides
- Neurankylus baueri
- Trionyx robustus
- Trionyx austerus
- Ceratopsidae
- Dinosauria
- Dromaeosauridae
- Tyrannosauroidea
- Compsemys
- Crocodylia
- Nodocephalosaurus kirtlandensis
- Ornithomimidae
- Parasaurolophus
- Ceratopsia
- Kritosaurus navajovius
- Alamosaurus sanjuanensis
- Chasmosaurinae
- Glyptodontopelta mimus
- Kritosaurus
- Lepisosteus
- Ornithischia
- Parasaurolophus tubicen
- Pentaceratops
- Plastomenidae
- Richardoestesia
- Ahshislesaurus wimani
- Boremys grandis
- Hadrosaurinae
- Lambeosaurinae
- Laurophyllum
- Lepisosteidae
- Reptilia
- Salix
The 40 most often recorded, of 156.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.