Mexcala Formation
101 distinct taxa, from 123 fossil occurrences the Paleobiology Database records under this name, spanning 94–66 Mya.
Guerrero, Puebla · MX
101 taxa · 123 fossils · 94–66 MyaMembers recorded: 1 Calcareous Siltstones and Mudstones.
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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
- Globotruncana
- Bellifusus curvicostatus
- Hadrosauridae
- Peroniceras
- Acanthoxenophora sinuosa
- Barroisiceras
- Calliomphalus
- Costacopluma bishopi
- Drilluta
- Gyrodes supraplicatus
- Lamniformes
- Mexopus
- Nucula
- Opalia (Opalia)
- Turritella trilira
- Veniella
- Amaurellina
- Anchura
- Astarte similis
- Barroisiceras (Texanites) dentatocarinatum
- Belliscala
- Caestocorbula crassiplica
- Calliomphalus (Planolateralus) argenteus
- Calliomphalus (Planolateralus) decoris
- Calyptraphorus
- Camptonectes
- Cancellaria
- Cardium
- Cenomanocarcinus
- Cerithiella aequalirata
- Cerithiella nodoliratum
- Cerithium weeksi
- Coilopoceras colleti
- Coilopoceras requienianum
- Corbula paracrassa
- Crenella serica
- Cretoxyrhina mantelli
- Cylichna secalina
- Dercetidae
- Deussenia ripleyana
The 40 most often recorded, of 101.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.