Sierra Madre Formation
49 distinct taxa, from 54 fossil occurrences the Paleobiology Database records under this name, spanning 121–94 Mya.
Chiapas · MX
49 taxa · 54 fossils · 121–94 MyaLoading coastlines…
3 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
- Acritarcha
- Alepisauriformes
- Arecipites
- Belostomatidae
- Bivalvia
- Bombacaceae
- Caprinuloidea
- Cerithiidae
- Cirolana aptiana
- Cirolana bretoni
- Cirolana longirostra
- Cirolanidae
- Coalcomana
- Dinoflagellata
- Echinoidea
- Ellimmichthyiformes
- Enchodontidae
- Ephedra
- Fungi
- Gonorynchiformes
- Ichthyodectiformes
- Kimbleia
- Lauraceae
- Macrosemiocotzus
- Moraceae
- Osmunda
- Osmundaceae
- Ostracoda
- Palinurus palaciosi
- Paraclupeidae
- Perissoptera
- Pseudoplakolana chiapaneca
- Pseudoplicapollis
- Pycnodontidae
- Radiolites
- Requienia
- Roemerus robustus
- Saurorhamphus
- Sauvagesia
- Scutatoclupea applegatei
The 40 most often recorded, of 49.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.