Projects - The Mammoth Site

Late Quaternary Chorus Frog

Late Quaternary Chorus Frog Late Quaternary Chorus Frog (Pseudacris) from the Channel Islands, CaliforniaJim I. Mead Mammoth Site of Hot Springs South Dakota, jmead@mammothsite.org Justin Wilkins Mammoth Site of Hot Springs South Dakota, justinw@mammothsite.org Paul...

Ancient Mitogenomes Reveal the Evolutionary History and Biogeography of Sloths

Read Full Research Paper SUMMARYLiving sloths represent two distinct lineages of small-sized mammals that independently evolved arboreal-ity from terrestrial ancestors. The six extant species are the survivors of an evolutionary radiation marked by the extinction of...

Proboscideans from US National Park Service Lands

Jim I. Mead, Justin S. Tweet, Vincent L. Santucci, Jeffrey T. Rasic, and Sharon E. Holte Read Full Research Paper Abstract – Proboscideans (Mammalia, Proboscidea) are an ubiquitous part of North American ver-tebrate faunas throughout the Miocene, Pliocene, and...

A new species of Hydrochoerus

A new species of Hydrochoerus For Immediate Release Release Date: March 18, 2022 Contact: Claire Scarborough, news@mammothsite.org, 605-745-6017 Mammoth Site Researchers Involved In Discovery of New Capybara Fossil Species HOT SPRINGS, S.D. – Researchers from The...