''Krauseia'' is an extinct

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of small

mammal A mammal () is a vertebrate animal of the Class (biology), class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three ...

from the

Paleocene The Paleocene ( ), or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), ...

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

. It was a member of the extinct order

Multituberculata Multituberculata (commonly known as multituberculates, named for the multiple tubercles of their teeth) is an extinct Order (biology), order of rodent-like mammals with a fossil record spanning over 130 million years. They first appeared in the M ...

and is within the suborder of

Cimolodonta Cimolodonta is a clade of Multituberculata, multituberculate mammals that lived from the Cretaceous to the Eocene. They probably lived something of a rodent-like existence until their ecological niche was assumed by true rodents. The more basal ...

, family

Neoplagiaulacidae Neoplagiaulacidae is a family of mammal within the extinct order Multituberculata. Fossil remains are known from the Upper Cretaceous through to the latest Eocene/early Oligocene. Representatives have been found in North America, Europe and Asia. ...

. The genus was nemed by Vianey-Liaud M. in 1986, and has also partly been known under the name ''

Parectypodus ''Parectypodus'' (meaning "besides ''Ectypodus''") is an extinct genus of mammals that lived from Late Cretaceous (Maastrichtian) to Eocene time in North America. It is a member of the extinct order of Multituberculata, suborder Cimolodonta, fami ...

''. The species ''Krauseia clemensi'' was named by Sloan R.E. in 1981, and is also known as ''Parectypodus clemensi''. Fossil remains of members of this species have been found in the Torrejonian (Paleocene)-age

strata In geology and related fields, a stratum (: strata) is a layer of Rock (geology), rock or sediment characterized by certain Lithology, lithologic properties or attributes that distinguish it from adjacent layers from which it is separated by v ...

of the San Juan Basin of

New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...

and

Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...

. An approximate weight comparison for ''P. clemensi'' is the weight of one standard mouse, around 25 g.

References

* Sloan (1981), "Systematics of Paleocene multituberculates from the San Juan Basin, New Mexico", p. 127-160, in Lucas et al. (eds), ''Advances in San Juan Basin paleontology''. University of New Mexico Press, Albuquerque. * Kielan-Jaworowska Z. & Hurum J.H. (2001), "Phylogeny and Systematics of multituberculate mammals". ''Paleontology'' 44, p. 389-429. * Vianey-Liaud (1986), "Les Multituberculés Thanétiens de France, et leurs rapports avec les Multituberculés Nord-Américains". ''Palaeontogr. Abt. A: Paläozool. Stratigr.'' 191 p. 85-171, 3 plates. * Much of this information has been derived fro
MESOZOIC MAMMALS; Ptilodontoidea
an Internet directory. {{Taxonbar, from=Q6436442 Ptilodontoidea Paleocene mammals Paleocene genus extinctions Cenozoic animals of North America Prehistoric mammal genera