Tirabuzon Formation

Short description: Geologic formation in Mexico

Tirabuzon Formation
Stratigraphic range: Pliocene

Type| Formation
Lithology
Primary| Siltstone, mudstone
Other| Sandstone
Location
Region| Baja California
Country| Mexico

The Tirabuzon Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period, Pliocene epoch.

## Contents

* 1 Fossil content
* 2 See also
* 3 References
* 4 External links

## 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

* List of fossiliferous stratigraphic units in Mexico

## References

1. ↑ Santa Rosalia at Fossilworks.org
2. ↑ Corkscrew Hill at Fossilworks.org
3. ↑ Loc.81/1198 at Fossilworks.org

## External links

* ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". http://www.fossilworks.org/cgi-bin/bridge.pl?action=home.

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