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Fruitland - Fossil Forest, San Juan County, New Mexico, USA

Formation	Fruitland
Member	Fossil Forest
Age:	83.5 - 70.6 Ma Late/Upper Cretaceous
Interval	Late Campanian
Lithology	conglomerate/sandstone, sandstone/lignite, "shale", mudstone
Number of Collections	26
Number of Occurrences	80

Recorded Sample Locations

Location	Region	Stratigraphic Name
NMMNH locality 4269	San Juan County, New Mexico, USA	Fruitland - Fossil Forest
NMMNH Loc. 4716	San Juan County, New Mexico, USA	Fruitland - Fossil Forest
NMMNH Loc L-4274	San Juan County, New Mexico, USA	Fruitland - Fossil Forest
Split Lip Flat	San Juan County, New Mexico, USA	Fruitland - Fossil Forest
NMMNH L-3097	San Juan County, New Mexico, USA	Fruitland - Fossil Forest
Sargent Ranch	San Juan County, New Mexico, USA	Fruitland - Fossil Forest
Burnham South	San Juan County, New Mexico, USA	Fruitland - Fossil Forest
DMNH 5812	San Juan County, New Mexico, USA	Fruitland - Fossil Forest

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Fruitland	83.5 - 66.0 Ma Late/Upper Cretaceous	sandstone/mudstone, mudstone/sandstone, "shale"/sandstone, siltstone/sandstone, mudstone, coal, sandstone, "shale"	172
Kirtland - Hunter Wash	83.5 - 70.6 Ma Late/Upper Cretaceous	siliciclastic, mudstone, "shale"	234
Nacimiento	63.3 - 56.0 Ma Paleocene	siltstone, mudstone, claystone/sandstone, "siliciclastic", sandstone, claystone	511
Nacimiento - upper	63.3 - 61.7 Ma Paleocene		1
Ojo Alamo - Naashoibito	70.6 - 66.0 Ma Late/Upper Cretaceous	sandstone, mudstone	159

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Chondrichthyes class	3	Animalia : Chordata : Chondrichthyes	83.5 - 70.6 Ma Late/Upper Cretaceous
Mammalia class	3	Animalia : Chordata : Mammalia	83.5 - 70.6 Ma Late/Upper Cretaceous
Essonodon sp. genus	6	Animalia : Chordata : Mammalia : Eucosmodontidae : *Essonodon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ankylosauridae family	5	Animalia : Chordata : Reptilia : Dinosauria : Ankylosauridae	83.5 - 70.6 Ma Late/Upper Cretaceous
Hadrosauridae family	5	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae	83.6 - 72.1 Ma Late/Upper Cretaceous
Caririchnium sp. genus	6	Animalia : Chordata : Ornithischia : Iguanodontipodidae : *Caririchnium*	83.5 - 70.6 Ma Late/Upper Cretaceous
Stegoceras novomexicanum species	7	Animalia : Chordata : Ornithischia : Pachycephalosauridae : Stegoceras : *Stegoceras novomexicanum*	83.5 - 70.6 Ma Late/Upper Cretaceous
Stegoceras validum species	7	Animalia : Chordata : Ornithischia : Pachycephalosauridae : Stegoceras : *Stegoceras validum*	83.5 - 70.6 Ma Late/Upper Cretaceous
Osteichthyes unranked clade	99	Animalia : Chordata : Osteichthyes	83.5 - 70.6 Ma Late/Upper Cretaceous
Crocodylia order	4	Animalia : Chordata : Reptilia : Crocodylia	83.5 - 70.6 Ma Late/Upper Cretaceous
Deinosuchus rugosus species	7	Animalia : Chordata : Reptilia : Crocodylia : Deinosuchus : *Deinosuchus rugosus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Krokolithidae family	5	Animalia : Chordata : Reptilia : Crocodylia : Krokolithidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Prismatoolithus sp. genus	6	Animalia : Chordata : Reptilia : Dinosauria : Prismatoolithidae : *Prismatoolithus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Squamata order	4	Animalia : Chordata : Reptilia : Squamata	83.5 - 70.6 Ma Late/Upper Cretaceous
Testudinata unranked clade	99	Animalia : Chordata : Reptilia : Protochelys : Testudinata	83.5 - 70.6 Ma Late/Upper Cretaceous
Testudoolithus sp. genus	6	Animalia : Chordata : Reptilia : Testudines : Testudoolithidae : *Testudoolithus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Testudines order	4	Animalia : Chordata : Reptilia : Testudines	83.5 - 70.6 Ma Late/Upper Cretaceous
Adocus sp. genus	6	Animalia : Chordata : Reptilia : Testudines : Adocidae : *Adocus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Baenidae family	5	Animalia : Chordata : Reptilia : Testudines : Baenidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Denazinemys nodosa species	7	Animalia : Chordata : Reptilia : Testudines : Baenidae : Denazinemys : *Denazinemys nodosa*	83.5 - 70.6 Ma Late/Upper Cretaceous
Neurankylus baueri species	7	Animalia : Chordata : Reptilia : Testudines : Baenidae : Neurankylus : *Neurankylus baueri*	83.5 - 70.6 Ma Late/Upper Cretaceous
Basilemys gaffneyi species	7	Animalia : Chordata : Reptilia : Testudines : Nanhsiungchelyidae : Basilemys : *Basilemys gaffneyi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Compsemys sp. genus	6	Animalia : Chordata : Reptilia : Testudines : Compsemydidae : *Compsemys*	83.5 - 70.6 Ma Late/Upper Cretaceous
Aspideretoides sp. genus	6	Animalia : Chordata : Reptilia : Testudines : Trionychidae : *Aspideretoides*	83.6 - 72.1 Ma Late/Upper Cretaceous
Gilmoremys gettyspherensis species	7	Animalia : Chordata : Reptilia : Testudines : Trionychidae : Gilmoremys : *Gilmoremys gettyspherensis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Trionychidae family	5	Animalia : Chordata : Reptilia : Testudines : Trionychidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Trionyx robustus species	7	Animalia : Chordata : Reptilia : Testudines : Trionychidae : Trionyx : *Trionyx robustus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Dromaeosauridae family	5	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae	83.5 - 70.6 Ma Late/Upper Cretaceous
Richardoestesia sp. genus	6	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : *Richardoestesia*	83.5 - 70.6 Ma Late/Upper Cretaceous
Bistahieversor sealeyi species	7	Animalia : Chordata : Saurischia : Avetheropoda : Bistahieversor : *Bistahieversor sealeyi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Paronychodon sp. genus	6	Animalia : Chordata : Saurischia : Avetheropoda : *Paronychodon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Continuoolithus sp. genus	6	Animalia : Chordata : Saurischia : Elongatoolithidae : *Continuoolithus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Porituberoolithus sp. genus	6	Animalia : Chordata : Saurischia : Elongatoolithidae : *Porituberoolithus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Theropoda unranked clade	99	Animalia : Chordata : Saurischia : Theropoda	83.5 - 70.6 Ma Late/Upper Cretaceous
Unionidae family	5	Animalia : Mollusca : Bivalvia : Unionida : Unionidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Gastropoda class	3	Animalia : Mollusca : Gastropoda	83.5 - 70.6 Ma Late/Upper Cretaceous

References

Lucas S. G., Sullivan R. M., et al (2006) The giant crocodylian Deinosuchus from the Upper Cretaceous of the San Juan Basin, New Mexico, Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35, 245-248

Sullivan R. M., Lucas S. G. (2006) The pachycephalosaurid dinosaur Stegoceras validum from the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico, Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35, 329-330

Carr T. D., Williamson T. E. (2010) Bistahieversor sealeyi, gen. et sp. nov., a new tyrannosauroid from New Mexico and the origin of deep snouts in Tyrannosauroidea, Journal of Vertebrate Paleontology 30 1, 1-16

Jasinski S. E., Sullivan R. M., et al (2011) Taxonomic composition of the Alamo Wash local fauna from the Upper Cretacoues Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico, Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53, 216-271

Lucas S. G., Sullivan R. M., et al (2011) Hadrosaur footprints from the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico, and the ichnotaxonomy of large ornithopod footprints, Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53, 357-362

Tanaka K., Zelenitsky D. K., et al (2011) Fossil eggshells from the Upper Cretaceous (Campanian) Fruitland Formation, New Mexico, Historical Biology 23 1, 41-55 doi:10.1080/08912963.2010.499171

Jasinski S. E., Sullivan R. M. (2011) Re-evaluation of pachycephalosaurids from the Fruitland-Kirtland transition (Kirtlandian, late Campanian), San Juan Basin, New Mexico, with a description of a new species of Stegoceras and a reassessment of Texacephale langstoni, Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53, 202-215

Sullivan R. M., Jasinski S. E., et al (2012) Re-assessment of Late Campanian (Kirtlandian) turtles from the Upper Cretaceous Fruitland and Kirtland formations, San Juan Basin, New Mexico, USA, Morphology and Evolution of Turtles, 337-387 doi:10.1007/978-94-007-4309-0_20

Williamson T. E., Brusatte S. L. (2014) Small theropod teeth from the Late Cretaceous of the San Juan Basin, northwestern New Mexico and their implications for understanding latest Cretaceous dinosaur evolution, PLoS ONE 9 4, e93190:1-23 doi:10.1371/journal.pone.0093190

Sullivan R. M., Lucas S. G. (2014) Stratigraphic distribution of hadrosaurids in the Upper Cretaceous Fruitland, Kirtland, and Ojo Alamo formations, San Juan Basin, New Mexico, Hadrosaurs, 361-384

Joyce W. G., Lyson T. R., et al (2018) A new species of trionychid turtle from the Upper Cretaceous (Campanian)\r\nFruitland Formation of New Mexico, USA, Journal of Paleontology 92 6, 1107-1114 doi:10.1017/jpa.2018.30

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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