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Refugio, Los Cabos Municipality, Baja California Sur, Mexico

Formation	Refugio
Age:	5.33 - 2.59 Ma Cenozoic
Interval	Late Miocene - Late Pliocene
Lithology	sandstone
Number of Collections	2
Number of Occurrences	17

Recorded Sample Locations

Location	Region	Stratigraphic Name
Rancho el Refugio	Los Cabos Municipality, Baja California Sur, Mexico	Refugio
Rancho Algodones	Los Cabos Municipality, Baja California Sur, Mexico	Refugio

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Trinidad	3.60 - 2.59 Ma Cenozoic	mudstone/"limestone"	3

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Carcharhinus sp. genus	6	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : *Carcharhinus*	5.333 - 2.588 Ma Cenozoic
Carcharhinus albimarginatus species	7	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : Carcharhinus : *Carcharhinus albimarginatus*	5.333 - 2.588 Ma Cenozoic
Carcharhinus brachyurus species	7	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : Carcharhinus : *Carcharhinus brachyurus*	5.333 - 2.588 Ma Cenozoic
Carcharhinus leucas species	7	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : Carcharhinus : *Carcharhinus leucas*	5.333 - 2.588 Ma Cenozoic
Carcharhinus obscurus species	7	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : Carcharhinus : *Carcharhinus obscurus*	5.333 - 2.588 Ma Cenozoic
Galeocerdo rosaliensis species	7	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : Galeocerdo : *Galeocerdo rosaliensis*	5.333 - 2.588 Ma Cenozoic
Carcharodon carcharias species	7	Animalia : Chordata : Elasmobranchii : Lamniformes : Lamnidae : Carcharodon : *Carcharodon carcharias*	5.333 - 2.588 Ma Cenozoic
Carcharodon sulcidens species	7	Animalia : Chordata : Elasmobranchii : Lamniformes : Lamnidae : Carcharodon : *Carcharodon sulcidens*	5.333 - 2.588 Ma Cenozoic
Isurus oxyrinchus species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Lamnidae : Isurus : *Isurus oxyrinchus*	5.333 - 2.588 Ma Cenozoic
Otodus megalodon species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Otodontidae : Otodus : *Otodus megalodon*	5.333 - 2.588 Ma Cenozoic
Ginglymostoma sp. genus	6	Animalia : Chordata : Chondrichthyes : Orectolobiformes : Ginglymostomatidae : *Ginglymostoma*	5.333 - 2.588 Ma Cenozoic
Dalatiidae family	5	Animalia : Chordata : Elasmobranchii : Squaliformes : Dalatiidae	5.333 - 2.588 Ma Cenozoic
Cerdocyon avius species	7	Animalia : Chordata : Mammalia : Carnivora : Canidae : Cerdocyon : *Cerdocyon avius*	5.333 - 2.588 Ma Cenozoic
Aivukus cedrosensis species	7	Animalia : Chordata : Mammalia : Carnivora : Phocidae : Aivukus : *Aivukus cedrosensis*	11.608 - 2.588 Ma Cenozoic
Notolagus sp. genus	6	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : *Notolagus*	5.333 - 2.588 Ma Cenozoic
Rodentia order	4	Animalia : Chordata : Mammalia : Rodentia	5.333 - 2.588 Ma Cenozoic

References

Repenning C. A., Tedford R. H. (1977) Otarioid seals of the Neogene, United States Geological Survey Professional Paper 992, 1-93

Espinosa-Arrubarrena L., Applegate S. P. (1981) Selacifauna Pliocenica de Baja California Sur, Mexico y sus problemas de correlacion regional, Anais do Congresso Latino-Americano Paleontologia 2 2, 667-681

Tedford R. H., Wang X., et al (2009) Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae), Bulletin of the American Museum of Natural History 325, 1-218 doi:10.1206/574.1

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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