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Rexroad - XI, Seward County, Kansas, USA

FormationRexroad
MemberXI
Age:4.90 - 1.80 Ma
Cenozoic
IntervalBlancan
Number of Collections1
Number of Occurrences29

Recorded Sample Locations

LocationRegionStratigraphic Name
Saw Rock Canyon Seward County, Kansas, USARexroad - XI

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Rexroad - upper4.90 - 1.80 Ma
Cenozoic
siltstone214

Recorded Fossils

Accepted NameHierarchyAge
Plegadis sp.
genus
6Animalia : Chordata : Aves : Pelecaniformes : Threskiornithidae : Plegadis4.9 - 1.8 Ma
Cenozoic
Camelidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Camelidae4.9 - 1.8 Ma
Cenozoic
Gigantocamelus spatulus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Gigantocamelus : Gigantocamelus spatulus4.9 - 1.8 Ma
Cenozoic
Borophagus hilli
species
7Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophagus : Borophagus hilli4.9 - 1.8 Ma
Cenozoic
Buisnictis schoffi
species
7Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Buisnictis : Buisnictis schoffi4.9 - 1.8 Ma
Cenozoic
Leporidae
family
5Animalia : Chordata : Mammalia : Lagomorpha : Leporidae4.9 - 1.8 Ma
Cenozoic
Hesperoscalops sewardensis
species
7Animalia : Chordata : Mammalia : Soricomorpha : Talpidae : Scalopus : Hesperoscalops sewardensis4.9 - 1.8 Ma
Cenozoic
Paracryptotis sp.
genus
6Animalia : Chordata : Mammalia : Soricomorpha : Soricidae : Paracryptotis4.9 - 1.8 Ma
Cenozoic
Dipoides wilsoni
species
7Animalia : Chordata : Mammalia : Rodentia : Castoridae : Dipoides : Dipoides wilsoni4.9 - 1.8 Ma
Cenozoic
Baiomys rexroadi
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Baiomys : Baiomys rexroadi4.9 - 1.8 Ma
Cenozoic
Calomys (Bensonomys) stirtoni
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Bensonomys : Calomys (Bensonomys) stirtoni4.9 - 1.8 Ma
Cenozoic
Neotoma (Paraneotoma) sawrockensis
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Neotoma : Neotoma (Paraneotoma) sawrockensis4.9 - 1.8 Ma
Cenozoic
Ogmodontomys sawrockensis
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Ogmodontomys : Ogmodontomys sawrockensis4.9 - 1.8 Ma
Cenozoic
Onychomys gidleyi
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Onychomys : Onychomys gidleyi4.9 - 1.8 Ma
Cenozoic
Symmetrodontomys simplicidens
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Symmetrodontomys : Symmetrodontomys simplicidens4.9 - 1.8 Ma
Cenozoic
Geomys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Geomys4.9 - 1.8 Ma
Cenozoic
Perognathus coquorum
species
7Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Perognathus : Perognathus coquorum4.9 - 1.8 Ma
Cenozoic
Perognathus mclaughlini
species
7Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Perognathus : Perognathus mclaughlini4.9 - 1.8 Ma
Cenozoic
Prodipodomys griggsorum
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Prodipodomys : Prodipodomys griggsorum4.9 - 1.8 Ma
Cenozoic
Marmotini
tribe
5.5Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Marmotini4.9 - 1.8 Ma
Cenozoic
Marmota sawrockensis
species
7Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Paenemarmota : Marmota sawrockensis4.9 - 1.8 Ma
Cenozoic
Coluber constrictor
species
7Animalia : Chordata : Reptilia : Squamata : Colubridae : Coluber : Coluber constrictor4.9 - 1.8 Ma
Cenozoic
Elaphe obsoleta
species
7Animalia : Chordata : Reptilia : Squamata : Colubridae : Elaphe : Elaphe obsoleta4.9 - 1.8 Ma
Cenozoic
Nerodia sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Natricidae : Nerodia4.9 - 1.8 Ma
Cenozoic
Thamnophis sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Natricidae : Thamnophis4.9 - 1.8 Ma
Cenozoic
Agkistrodon sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Viperidae : Agkistrodon4.9 - 1.8 Ma
Cenozoic
Eumeces sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Scincidae : Eumeces4.9 - 1.8 Ma
Cenozoic
Kinosternon flavescens
species
7Animalia : Chordata : Reptilia : Testudines : Kinosternidae : Kinosternon : Kinosternon flavescens4.9 - 1.8 Ma
Cenozoic
Kinosternon subrubrum
species
7Animalia : Chordata : Reptilia : Testudines : Kinosternidae : Kinosternon : Kinosternon subrubrum4.9 - 1.8 Ma
Cenozoic

References

Twente J. W. (1952) Pliocene lizards from Kansas, Copeia 1952 2, 70-73
Hibbard C. W. (1964) , Papers of the Michigan Academy of Science, Arts, and Letters 49
Brattstrom B. H. (1967) A succession of Pliocene and Pleistocene snake faunas from the High Plains of the United States, Copeia 1967 1, 188-202
Hibbard C. W. (1967) New rodents from the late Cenozoic of Kansas, Papers of the Michigan Academy of Science, Arts, and Letters 52, 115-131
Fichter L. S. (1969) Geographical distribution and osteological variation in fossil and Recent specimens of two species of Kinosternon (Testudines), Journal of Herpetology 3 3/4, 113-119
Zakrzewski R. J. (1970) Notes on Kangaroo Rats from the Pliocene of Southwestern Kansas, with the Description of a New Species, Journal of Paleontology 44 3, 474-477
Hibbard C. W., Bjork P. R. (1971) The Insectivores of the Hagerman Local Fauna, Upper Pliocene of Idaho, Contributions from the Museum of Paleontology, University of Michigan 23 9, 171-180
Moseley C., Feduccia A. (1975) Upper Pliocene herons and ibises from North America, University of Michigan Papers on Paleontology 12, 71-74
Korth W. W. (1995) Rodents from the Late Hemphillian (Latest Miocene), Sioux County, Nebraska, Transactions of the Nebraska Academy of Sciences 22, 87-92
Martin R. A. (2000) The taxonomic status of Peromyscus sawrockensis Hibbard, 1964 (Rodentia, Cricetidae), Paludicola 2 4, 269-272
Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals
Martin R. A., Goodwin H. T., et al (2002) Late Neogene (late Hemphillian) rodents from the Pipe Creek Sinkhole, Grant County, Indiana, Journal of Vertebrate Paleontology 22 1, 137-151
Alroy J. (2009) High-handed opinions on taxonomy and other matters
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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