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Robison Eggshell Site , Emery County, Utah, USA

Lat/Long (Decimal)	39.0515,-111.038
Co-ordinates Derivation	estimated from map
Given Location	Utah, United States
Mindat.org Region (for given coordinates)	Emery County, Utah, USA

Collections

Collection	Reference	Stratigraphic Name	Comments	Lithology	Age
Robison Eggshell Site (CM)	Fiorillo A. R. (1999)	Dakota - Cedar Mountain - Mussentuchit		siltstone	105.3 - 93.5 Ma Cretaceous

Recorded Fossils

Accepted Name	Hierarchy	Age
Amiiformes order	Animalia : Chordata : Actinopterygii : Amiiformes	105.3 - 93.5 Ma Cretaceous
Lepidotes sp. genus	Animalia : Chordata : Actinopterygii : Lepisosteiformes : *Lepidotes*	105.3 - 93.5 Ma Cretaceous
Pycnodontidae family	Animalia : Chordata : Actinopterygii : Pycnodontes	105.3 - 93.5 Ma Cretaceous
Enchodus sp. genus	Animalia : Chordata : Actinopteri : Salmoniformes : Enchodontidae : *Enchodus*	105.3 - 93.5 Ma Cretaceous
Chondrichthyes class	Animalia : Chordata : Chondrichthyes	105.3 - 93.5 Ma Cretaceous
Hybodus sp. genus	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Hybodontidae : *Hybodus*	105.3 - 93.5 Ma Cretaceous
Pseudohypolophus sp. genus	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Myliobatidae : *Pseudohypolophus*	105.3 - 93.5 Ma Cretaceous
Cretorectolobus sp. genus	Animalia : Chordata : Chondrichthyes : Orectolobiformes : *Cretorectolobus*	105.3 - 93.5 Ma Cretaceous
Mammalia class	Animalia : Chordata : Mammalia	105.3 - 93.5 Ma Cretaceous
Ornithopoda unranked clade	Animalia : Chordata : Ornithischia : Ornithopoda	105.3 - 93.5 Ma Cretaceous
Spheroolithidae family	Animalia : Chordata : Ornithischia : Spheroolithidae	105.3 - 93.5 Ma Cretaceous
Anura order	Animalia : Chordata : Osteichthyes : Eobatrachus : Anura	105.3 - 93.5 Ma Cretaceous
Osteichthyes unranked clade	Animalia : Chordata : Osteichthyes	105.3 - 93.5 Ma Cretaceous
Crocodylia order	Animalia : Chordata : Reptilia : Crocodylia	105.3 - 93.5 Ma Cretaceous
Bernissartia sp. genus	Animalia : Chordata : Reptilia : Crocodylia : Bernissartiidae : *Bernissartia*	105.3 - 93.5 Ma Cretaceous
Mesoeucrocodylia unranked clade	Animalia : Chordata : Reptilia : Eosuchia : Mesoeucrocodylia	105.3 - 93.5 Ma Cretaceous
Pholidosauridae family	Animalia : Chordata : Reptilia : Crocodylia : Pholidosauridae	105.3 - 93.5 Ma Cretaceous
Lacertilia suborder	Animalia : Chordata : Reptilia : Squamata : Lacertilia	105.3 - 93.5 Ma Cretaceous
Naomichelys sp. genus	Animalia : Chordata : Reptilia : Testudines : Solemydidae : *Naomichelys*	105.3 - 93.5 Ma Cretaceous
Testudines order	Animalia : Chordata : Reptilia : Testudines	105.3 - 93.5 Ma Cretaceous
Trionychidae family	Animalia : Chordata : Reptilia : Testudines : Trionychidae	105.3 - 93.5 Ma Cretaceous
Dromaeosaurinae subfamily	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Dromaeosaurinae	105.3 - 93.5 Ma Cretaceous
Velociraptorinae subfamily	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Velociraptorinae	105.3 - 93.5 Ma Cretaceous
Paronychodon sp. genus	Animalia : Chordata : Saurischia : Avetheropoda : *Paronychodon*	105.3 - 93.5 Ma Cretaceous
Tyrannosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Tyrannosauridae	105.3 - 93.5 Ma Cretaceous
Elongatoolithidae family	Animalia : Chordata : Saurischia : Elongatoolithidae	105.3 - 93.5 Ma Cretaceous
Theropoda unranked clade	Animalia : Chordata : Saurischia : Theropoda	105.3 - 93.5 Ma Cretaceous

References

Nelson M. E., Madsen J. H. (1985) Early Cretaceous mammals from central Utah, Geological Society of America, Rocky Mountain Section, Abstracts with Programs 17 4, 258

Fiorillo A. R. (1999) Non-mammalian microvertebrate remains from the Robison Eggshell site, Cedar Mountain Formation (Lower Cretaceous), Emery County, Utah, Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1, 259-268

Tennant J. P., Mannion P. D., et al (2016) Evolutionary relationships and systematics of Atoposauridae (Crocodylomorpha: Neosuchia): implications for the rise of Eusuchia, Zoological Journal of the Linnean Society 177, 854-936

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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