The species
Neoliotomus conventus, named by Jepsen G.L. in 1930, is known from the
Clarkforkian (Paleocene)
DeBeque Formation of
Wyoming and of the
Fort Union Formation of
Montana and
Colorado, (United States). This is a fairly large multituberculate of around 1.9
kg. The
holotype is in the
Peabody Museum of Natural History at
Yale University. The species
Neoliotomus ultimus was named by Granger W. and Simpson G.G. in 1928. It has also been known as
Eucosmodon ultimus (Granger & Simpson, 1928).
Fossil remains were found in Clarkforkian (Paleocene)
strata of
Wyoming and Colorado. This species is known from a fair number of locations. It is another large multituberculate, which weighed perhaps 2 kg. == References ==