Kimbetoh Arroyo (Middle) (Paleocene of the United States)

Also known as UALP 7784, 77113, 77114

Where: San Juan County, New Mexico (36.3° N, 108.2° W: paleocoordinates 42.9° N, 88.3° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Nacimiento Formation, Torrejonian (63.3 - 61.7 Ma)

• three UALP localities are separated stratigraphically by five meters: Tomida 1981

•near the top of the local section in a normal paleomag interval that is is probably chron 27n but could be chron 28n

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial

Primary reference: T. E. Williamson and S. G. Lucas. 1993. Paleocene vertebrate paleontology of the San Juan Basin, New Mexico. New Mexico Museum of Natural History Bulletin 2:105-136 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14859: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• called "Upper Kimbetoh" by Tomida 1981
identical to list 12 of Williamson 1996
some records may be from an equivalent level in Betonnie- Tsosie Arroyo
list probably omits some multis
 Leptictida - Leptictidae
Prodiacodon puercensis Matthew 1918 eutherian
 Primates -
Palaechthon cf. woodi Gazin 1971 primate
 Primates - Paromomyidae
Paromomys depressidens Gidley 1923 primate
 Condylarthra - Hyopsodontidae
Mioclaenus turgidus Cope 1881 condylarth
Protoselene griphus Gazin 1939 condylarth
 Tribosphenida - Periptychidae
Periptychus carinidens Cope 1881 condylarth
present at UALP 7784, 77114: Tomida 1981
Anisonchus sectorius Cope 1881 condylarth
 Tribosphenida - Arctocyonidae
"Mimotricentes subtrigonus" = Tricentes subtrigonus
"Mimotricentes subtrigonus" = Tricentes subtrigonus Cope 1881 condylarth
 Sarcobora - Mixodectidae
Mixodectidae indet. Cope 1883 insectivoran