Mussentuchit (OMNH V695) (Cretaceous to of the United States)

Where: Emery County, Utah (39.0° N, 111.0° W: paleocoordinates 39.5° N, 72.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Mussentuchit Member (Cedar Mountain Formation), Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collection methods: bulk,

Primary reference: R. L. Cifelli. 1993. Early Cretaceous mammal from North America and the evolution of marsupial dental characters. Proceedings of the National Academy of Sciences, USA 90(20):9413-9416 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14396: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Matthew Carrano and Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

• upper member of fm.new locality presumably not known to Eaton and Nelson 1991see map of Cifelli and Madsen 1998dated ash of Cifelli et al. 1997 is directly associated with this locality: Cifelli et al. 1999
Osteichthyes
 Temnospondyli - Albanerpetontidae
Albanerpetontidae indet.8 Fox and Naylor 1982 tetrapod
OMNH 27375, 26802, 26738, 26739, 26803, 27378, 27409
Albanerpeton cf. nexuosus8 Estes 1981 tetrapod
OMNH 27413
Reptilia
 Neornithischia -
Neoceratopsia indet.1 Sereno 1986 ornithischian
 Squamata - Teiidae
Harmodontosaurus emeryensis11 Nydam 2002 lizard
 Squamata -
Primaderma nessovi n. gen. n. sp.10
Primaderma nessovi n. gen. n. sp.10 Nydam 2000 lizard
platynotan lizard
 Squamata - Polyglyphanodontidae
Bicuspidon numerosus n. gen. n. sp.12
Bicuspidon numerosus n. gen. n. sp.12 Nydam and Cifelli 2002 lizard
 Squamata -
Coniophis sp.9 Marsh 1892 snake
OMNH 33250 (dorsal vertebra)
Scincomorpha indet.11 Camp 1923 lizard
Bothriagenys mysterion n. gen. n. sp.11 Nydam 2002 lizard
scincomorph lizard
cf. Pseudosaurillus sp.11 Hoffstetter 1967 lizard
paramacellodid lizard
Dimekodontosaurus madseni n. gen. n. sp.11 Nydam 2002 lizard
scincoid lizard
Mammalia
 Eutriconodonta - Triconodontidae
Jugulator amplissimus5 Cifelli and Madsen 1998 mammal
Corviconodon utahensis5 Cifelli and Madsen 1998 mammal
Astroconodon delicatus5 Cifelli and Madsen 1998 mammal
 Tribosphenida -
Tribosphenida indet.4 mammal
OMNH 26729, 30532, 33238
Culicolestes kielanae4 Cifelli et al. 2016 mammal
OMNH 26727
 Theriiformes -
Dakotadens pertritus n. sp.4 Cifelli et al. 2016 metatherian
Sinbadelphys schmidti3 Cifelli 2004 metatherian
Kokopellia juddi n. gen. n. sp. Cifelli 1993 marsupial
OMNH 26361
 Theriiformes - Spalacotheriidae
Spalacotheriidae indet.6 Marsh 1887 mammal
Spalacolestes cretulablatta2 Cifelli and Madsen 1999 mammal
Spalacotheridium noblei2 Cifelli and Madsen 1999 mammal
 Multituberculata -
cf. Paracimexomys perplexus7 Eaton and Cifelli 2001 multituberculate
m1: OMNH 26615, 26616, 29592, 29594, 29596, 33176, 33179, 33181; P4, 26642; M1, 26624, 26674, 27450, 27451, 27516, 27517, 29574; including one tentatively referred M2 (27561)
Bryceomys intermedius7 Eaton and Cifelli 2001 multituberculate
m1, OMNH 33174; m2, 26626,26632,33190,33192; M1, 27553; M2, 26679,27453; including tentatively referred m2 (OMNH 26579)
Cedaromys parvus7 Eaton and Cifelli 2001 multituberculate
p4, OMNH 27497; m1, 26628,26683,29583,30633; m2, 26627; M1, 33185; M2, 26678; including tentatively referred P4 (OMNH 33161)
Cedaromys bestia7 Eaton and Nelson 1991 multituberculate
lower incisors, OMNH 28505, 28512; p4, 26636, 29582; m1, 26617 (partial); 26620, 26622 (partial), 27498, 29587, 33178; m2, 33186; P4, 30634, 33159; M1, 27564, 33178, 33180; M2, 27538,29576
 Multituberculata - Neoplagiaulacidae
? Mesodma sp.7 Jepsen 1940 multituberculate
p4, OMNH 27563
 Multituberculata -
cf. Janumys erebros7 multituberculate
P4: OMNH 26640,29573
Janumys erebos n. gen. n. sp.7 Eaton and Cifelli 2001 multituberculate
OMNH 26623 (holotype M1); referred m1: OMNH 27434,27435,27455,27499,29586,29591,33172, 33175,33183,33184,34019; m2: 33160; MI: 26619, 27565,29589,33173
 Multituberculata - Plagiaulacidae
? Plagiaulacidae indet.7 Gill 1872 multituberculate
 Multituberculata -
Ameribaatar zofiae7 Eaton and Cifelli 2001 multituberculate
m2, OMNH 33167; M1, 33177 (partial); M2, 33165;