Leptalestes cooki Clemens 1966 (metatherian)

Mammalia - Theriiformes - Peradectidae

Alternative combination: Pediomys cooki

Full reference: W. A. Clemens. 1966. Fossil mammals from the type Lance Formation, Wyoming. Part II. Marsupialia. University of California Publications in Geological Sciences 62:1-122

Belongs to Leptalestes according to B. M. Davis 2007

See also Clemens 1966, Clemens 1979, Kielan-Jaworowska et al. 2004 and Wilson et al. 2010

Sister taxa: Leptalestes krejcii, Leptalestes prokrejcii, Leptalestes toevsi

Type specimen: UCMP 47738, a maxilla (right fragmentary maxilla with P3 and M1-3). Its type locality is Bushy Tailed Blowout, which is in a Lancian terrestrial shale in the Lance Formation of Wyoming.

Ecology: scansorial omnivore


• Paleocene of United States (1: Montana collection)

• Cretaceous of Canada (1: Alberta), United States (19: Colorado, Montana, New Mexico, South Dakota, Wyoming)

Total: 21 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.