[MM] Parectypodus laytoni
Allotherians
DESCRIBER Jepsen, 1940; Sloan, 1966
TIME Paleocene
CLASS Mammalia
SUBCLASS Allotheria
ORDER Multituberculata
SUBORDER Cimolodonta
SUPERFAMILY Ptilodontoidae
FAMILY Neoplagiaulacidae
FOSSILSITE Princeton Quarry, Wyoming, United States
FALL UNDER Parectypodus simpsoni
INFO
Parectypodus simpsoni (Jespen, 1930) > Parectypodus armstrongi (Johnston & Fox, 1984) > Parectypodus foxi (Storer, 1991) > Parectypodus laytoni (Jepsen, 1940; Sloan, 1966) > Parectypodus lunatus (Krause, 1982 ) > Parectypodus sloani (Schiebout, 1974) > Parectypodus sylviae (Rigby, 1980; Sloan, 1987) > Parectypodus trovessartianus (Cope, 1882; Van Valen & Sloan, 1966)
Has been cited as a descendant of P. sinclairi. A mini representative of perhaps 10g.
Reference: Jepsen (1940), Paleocene faunas of the Polecat Bench formation, Park County, Wyoming. Pro. Amer. Philos. Soc, 83, p.217-340, 21 figs., 5pls.