Late Quaternary sea-level history and the antiquity of mammoths (Mammuthus exilis and Mammuthus columbi
), Channel Islands National Park, California, USA.
The bones are believed to belong to the Mammuthus columbi
species, an extinct mammoth similar to an elephant.
1), which constitutes a new stratified deposit containing remains of mastodons (Mammut), mammoths (Mammuthus columbi
), horses (Equus), pollen, and snails.
The discoveries, a large Columbian Mammoth, known scientifically as a Mammuthus columbi
, and a Tyrannosaurus rex, have helped to push the already respected museum into an important stop for both amateur and professional paleontologists and geologists.
The vast majority of the macro-fossils belong to the Columbian Mammoth (Mammuthus columbi
) and Giant Bison (Bison latifrons).
& MADSEN, D.B., 1993.- The Columbian Mammoth, Mammuthus columbi
, from the Wasatch Mountains of Central Utah.
Notable occurrences include some of the earliest discoveries of the Columbian mammoth (Mammuthus columbi
) and American mastodon (Mammut americanum), one of the largest collections of the ground sloth Megalonyx jeffersonii, and the southernmost record of reindeer (Rangifer tarandus).
But Jensen can be certain it belongs to a Mammuthus columbi
because he had it examined by experts earlier this year, namely the director of the state museum of paleontology, Bill Orr.
, the Columbian mammoth, was restricted to southern North America, where it apparently was very abundant, particularly in Florida.
The small remaining portion of the long bone could be that of either Mammuthus imperator, Mammuthus columbi
or Mammut americanum, but given the stratigraphic location, the remains are unlikely to be those of Mammuthus imperator.
micropus), Mammuthus columbi
, Equus, Camelops, and Bison.