Kent 484 (Cretaceous of the United States)

Also known as UCMP V-5820

Where: Niobrara County, Wyoming (43.0° N, 104.5° W: paleocoordinates 49.5° N, 79.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Lance Formation, Lancian (70.6 - 66.0 Ma)

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: W. A. Clemens. 1964. Fossil mammals of the type Lance Formation, Wyoming. Part I. Introduction and Marsupialia. University of California Publications in Geological Sciences 48:1-105 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 14579: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Matthew Carrano, Roger Benson and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Plastomenine "A"3
Voucher: UCMP 173435
Chondrichthyes
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus2 Cope 1876 whiptail stingray
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteus occidentalis2 Leidy 1856 gar
Osteichthyes
 Caudata - Urodela
Habrosaurus dilatus2 Gilmore 1928 siren
Reptilia
 Testudines - Trionychidae
Trionychidae sp.3, "Aspideretes beecheri" = Trionyx beecheri2
Trionychidae sp.3 Gray 1825 softshell turtle
Voucher: UCMP 173437
"Aspideretes beecheri" = Trionyx beecheri2 Hay 1904 softshell turtle
 Testudines - Baenidae
Baenidae sp.3 Cope 1882 turtle
Voucher: UCMP 173432
cf. Baena sp.2 Leidy 1870 turtle
 Testudines - Nanhsiungchelyidae
Basilemys sp.3 Hay 1902 turtle
Voucher: UCMP 173434
 Testudines - Pantrionychidae
"Derrisemys sterea" = Hutchemys sterea4, Helopanoplia sp.3
"Derrisemys sterea" = Hutchemys sterea4 Hutchison 2009 turtle
Voucher: UCMP 173435
Helopanoplia sp.3 Hay 1908 turtle
Voucher: UCMP 173436
 Testudines - Panchelydridae
Chelydridae sp.3 turtle
Voucher: UCMP 173433
 Neornithischia - Ceratopsidae
cf. Triceratops sp.2 Marsh 1889 ceratopsid
 Neornithischia - Hadrosauridae
"cf. Anatosaurus sp." = Edmontosaurus2
"cf. Anatosaurus sp." = Edmontosaurus2 Lambe 1917 hadrosaurine
 Crocodylia -
"Leidyosuchus sternbergi" = Borealosuchus sternbergii2
"Leidyosuchus sternbergi" = Borealosuchus sternbergii2 Gilmore 1910 crocodilian
 Crocodylia - Alligatoridae
Brachychampsa montana2 Gilmore 1911 crocodilian
Mammalia
 Theriiformes - Peradectidae
"Pediomys florencae n. sp." = Aletridelphys florencae1
"Pediomys florencae n. sp." = Aletridelphys florencae1 Clemens 1966 metatherian
 Didelphimorphia - Stagodontidae
Didelphodon vorax1 Marsh 1889 marsupial