Aguja Formation
275 distinct taxa, from 832 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
Texas · US
255 taxa · 729 fossils · 84–66 MyaMembers recorded: Alto Shale, Abajo Shale, Rattlesnake Mountain, Rattlesnake Canyon.
Macrostrat places this rock in the Tornillo Group. Macrostrat’s own record
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21 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
- Tyrannosauridae
- Tyrannosaurinae
- Agujaceratops mariscalensis
- Trionychidae
- Crocodylia
- Dinosauria
- Ceratopsidae
- Chondrichthyes
- Lonchidion selachos
- Saurornitholestinae
- Adocus
- Basilemys
- Cymbophora
- Lepisosteidae
- Ornithomimidae
- Richardoestesia isosceles
- Baenidae
- Chupacabrachelys
- Denazinemys
- Goniopholididae
- Osteichthyes
- Pachycephalosauridae
- Saurornitholestes
- Saurornitholestes langstoni
- Arca
- Dasyatidae
- Hybodus
- Ptychotrygon
- Scapanorhynchus texanus
- Testudines
- Theropoda
- Albanerpeton
- Ampullina (Pseudamaura)
- Brachychampsa
- Ethmocardium
- Inoceramus
- Mammalia
- Marsupialia
- Ornithischia
The 40 most often recorded, of 255.
Chihuahua, Coahuila · MX
53 taxa · 103 fossils · 84–72 MyaMembers recorded: Alto Shale.
Macrostrat places this rock in the Tornillo Group. Macrostrat’s own record
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10 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
- Nodosauridae
- Saurolophinae
- Ceratopsidae
- Tyrannosauridae
- Saurornitholestinae
- Baenidae
- Trionychidae
- Theropoda
- Titanosauria
- Agujaceratops mariscalensis
- Basilemys
- Crocodylia
- Lepisosteidae
- Amiidae
- Amphiura
- Carcharias
- Centrosaurinae
- Chiloscyllium
- Compsemys victa
- Cretalamna
- Cretorectolobus
- Deinosuchus
- Deinosuchus riograndensis
- Denazinemys nodosa
- Dromaeosauridae
- Enchodus
- Ginglymostoma
- Heterohelix
- Hybodus
- Ischyrhiza
- Lambeosaurinae
- Odontaspis
- Ornithomimidae
- Pachycephalosauridae
- Phyllodontidae
- Pinuspollenites
- Plantae
- Podocarpoxylon
- Protoplatyrhina
The 40 most often recorded, of 53.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.