Columbia subject headings:
Paleontology--New Mexico.
Sloths, Fossil.
Harvard subject headings:
Nothrotherium shastense.
Paleontology--New Mexico
Paleontology--New Mexico--Doña Ana County.
Sloths, Fossil
Sloths, Fossil--New Mexico--Doña Ana County.
Princeton subject headings:
Paleontology--New Mexico.
Sloths, Fossil.