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La Matilde, Santa Cruz Province, Argentina

Formation	La Matilde
Age:	166 - 157 Ma Jurassic
Interval	Callovian - Oxfordian
Lithology	sandstone, "shale"
Number of Collections	4
Number of Occurrences	11

Recorded Sample Locations

Location	Region	Stratigraphic Name
Estancia Laguna Manantiales tracksite	Deseado Department, Santa Cruz Province, Argentina	La Matilde
Estancia La Matilde Arriba JL	Deseado Department, Santa Cruz Province, Argentina	La Matilde
Estancia La Trabajosa	Deseado Department, Santa Cruz Province, Argentina	La Matilde
Laguna El Molino	Corpen Aike Department, Santa Cruz Province, Argentina	La Matilde

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Coleoptera order	4	Animalia : Arthropoda : Insecta : Coleoptera	166.1 - 157.3 Ma Jurassic
Ameghinichnus sp. genus	6	Animalia : Chordata : Mammalia : Ameghinichnidae : *Ameghinichnus*	166.1 - 157.3 Ma Jurassic
Ameghinichnus patagonicus species	7	Animalia : Chordata : Mammalia : Ameghinichnidae : Ameghinichnus : *Ameghinichnus patagonicus*	166.1 - 157.3 Ma Jurassic
Delatorrichnus goyenechei species	7	Animalia : Chordata : Ornithischia : Delatorrichnus : *Delatorrichnus goyenechei*	166.1 - 157.3 Ma Jurassic
Notobatrachus degiustoi species	7	Animalia : Chordata : Osteichthyes : Salientia : Notobatrachus : *Notobatrachus degiustoi*	168.3 - 166.1 Ma Middle Jurassic
Grallator (Eubrontes) sp. subgenus	6.3	Animalia : Chordata : Saurischia : Eubrontidae : *Grallator (Eubrontes)*	166.1 - 157.3 Ma Jurassic
Sarmientichnus scagliai species	7	Animalia : Chordata : Saurischia : Sarmientichnus : *Sarmientichnus scagliai*	166.1 - 157.3 Ma Jurassic
Wildeichnus navesi species	7	Animalia : Chordata : Saurischia : Wildeichnus : *Wildeichnus navesi*	166.1 - 157.3 Ma Jurassic

References

Casamiquela R. M. (1961) Sobre la presencia de un mamífero en el primer elenco (icnologico) de vertebrados del Jurásico de la Patagonia [On the presence of a mammal on the first vertebrate cast (ichnological) from the Jurassic of Patagonia], Physis 22 63, 225-233

Casamiquela R. M. (1964) , Estudios Icnológicos. Gobierno de la Provincia de Río Negro, Ministerior de Asuntos Sociales, Buenos Aires, 1-229

Bonaparte J. F. (1978) El Mesozoico de America de Sur y sus Tetrapodos [The Mesozoic of South America and its tetrapods], Opera Lilloana 26, 1-596

Leonardi G. (1994) , Annotated Atlas of South America Tetrapod Footprints (Devonian to Holocene) with an Appendix on Mexico and Central America. República Federativa do Brasil, Ministério de Minas e Energia, Secretaria de Minas e Metalurgia, Companhia de Pesquisa de Recursos Minerais, Brasília, 1-248

Báez A. M., Nicoli L. (2008) A new species of Notobatrachus (Amphibia, Salientia) from the Middle Jurassic of northwestern Patagonia, Journal of Paleontology 82 2, 372-376 doi:10.1666/06-117.1

de Valais S. (2011) Revision of dinosaur ichnotaxa from the La Matilde Formation (Middle Jurassic), Santa Cruz Province, Argentina, Ameghiniana 48 1, 28-42

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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