The Tirabuzon Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period, Pliocene epoch.
| Tirabuzon Formation | |
|---|---|
| Stratigraphic range: Pliocene | |
| Type | Formation |
| Lithology | |
| Primary | Siltstone, mudstone |
| Other | Sandstone |
| Location | |
| Region | Baja California |
| Country | Mexico |
Fossil content
The following fossils have been reported:
- Mammals[1]
- aff. Pontoporia species
- cf. Scaphokogia species
- Stenella species
- Balaenopterinae indeterminate
- Otariinae indeterminate
- Phocoeninae indeterminate
- Kogiidae indeterminate
- Physeteridae indeterminate
- Sharks[2]
- Carcharhinus brachylurus
- Carcharhinus galapagensis
- Carcharhinus albimarginatus
- Carcharhinus velox
- Carcharhinus limbatus
- Carcharhinus altimus
- Carcharhinus falciformis
- Carcharhinus obscurus
- Carcharhinus leucas
- Carcharodon carcharias
- Carcharodon sulcidens
- Galeocerdo rosaliaensis
- Hemipristis serra
- Hexanchus griseus
- Isurus benedeni
- Isurus oxyrinchus
- Megalodon
- Odontaspis acutissima
- Prionace glauca
- Rhizoprionodon longurio
- Sphyrna vespertina
- Sphyrna mokarran
- Sphyrna zygaena
- Sphyrna lewini
- Sphyrna media
- Cetorhinus species
- Heterodontus species
- Notorhynchus species
- Squalus species
- Bivalves[3]
- Argopecten ventricosus
- Argopecten cf. callidus
- Argopecten mendenhalli
- Chagrepecten dallasi
- Chlamys corteziana
- Chlamys opuntia
- Euvola vogdesi
- Flabellipecten stearnsii
- Flabellipecten refugioensis
- Leopecten bakeri
- Leptopecten latiauratus
- Nodipecten subnodosus
- Patinopecten santarosaliensis
- Patinopecten species
See also
References
External links
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