Careless Creek Quarry (CCQ) (Cretaceous to of the United States)

Where: Wheatland County, Montana (46.2° N, 109.9° W: paleocoordinates 53.4° N, 77.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: McClelland Ferry Member (Judith River Formation), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• in the lower 1/3rd of the local section according to Penkalski and Dodson 1999

• bed-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

• "a channel deposit... bones accumulated in a logjam"
• "gray, fine to coarse-grained, cross-bedded sandstone about 3 m thick, containing clay-pebble conglomerate lenses and fossil plants" (Penkalski and Dodson 1999)

Size classes: macrofossils, mesofossils

Collected by E. Cole & P. Dodson in 1981-1986

Collection methods: bulk, quarrying, surface (float), sieve,

Primary reference: P. Dodson. 1984. Small Judithian ceratopsids, Montana and Alberta. In W.-E. Reif & F. Westphal (eds.), Third Symposium on Mesozoic Terrestrial Ecosystems, Short Papers. Attempto Verlag, Tübingen 73-78 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 14437: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• i.d. repeated by Fiorillo 1997
Chondrichthyes
 Myliobatiformes - Dasyatidae
Myledaphus sp.5 Cope 1876 whiptail stingray
Actinopteri
 Acipenseriformes - Acipenseridae
Acipenser sp.4 Linnaeus 1758 sturgeon
 Teleostei - Aspidorhynchidae
Belonostomus sp.4 Agassiz 1843
 Elopiformes - Phyllodontidae
Paralbula sp.3 Blake 1940
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp.4 Agassiz 1843 gar
Reptilia
 Testudines - Trionychidae
Trionychinae indet.1 softshell turtle
 Testudines - Baenidae
Baenidae indet.2 Cope 1882 turtle
Boremys sp.5 Lambe 1906 turtle
Neurankylus sp.5 Lambe 1902 turtle
 Theropoda -
Theropoda "indet. A"5 theropod
"A"
 Avetheropoda - Caenagnathidae
Chirostenotes "sp. A"4 Gilmore 1924 coelurosaur
Chirostenotes "sp. B"4 Gilmore 1924 coelurosaur
 Avetheropoda - Dromaeosauridae
Richardoestesia gilmorei6 Currie et al. 1990 coelurosaur
Saurornitholestes langstoni6 Sues 1978 coelurosaur
Dromaeosaurus albertensis6 Matthew and Brown 1922 coelurosaur
 Avetheropoda - Troodontidae
Troodon formosus6 Leidy 1856 coelurosaur
 Avetheropoda - Tyrannosauridae
cf. Tyrannosauridae indet.4 Osborn 1906 tyrannosaurid
 Avetheropoda - Ornithomimidae
Ornithomimidae indet.2 Marsh 1890 ornithomimid
 Ornithischia - Ankylosauridae
Ankylosauridae indet.2 Brown 1908 ornithischian
Euoplocephalus sp.4 Lambe 1910 ornithischian
 Neornithischia - Pachycephalosauridae
Stegoceras sp.4 Lambe 1902 ornithischian
 Neornithischia - Ceratopsidae
Avaceratops lammersi n. gen. n. sp.2 Dodson 1986 ceratopsid
"new genus"; ANSP 15800
Centrosaurus sp.4 Lambe 1905 ceratopsid
"Centrosaurus/Monoclonius"
 Neornithischia - Hypsilophodontidae
Hypsilophodontidae indet.2 Dollo 1882 hypsilophodontid
 Neornithischia - Hadrosauridae
Hadrosauridae indet.3 Cope 1869 hadrosaurid
ANSP 15979, 15986, 16242, 18325, 17671, 17689, 18326, 17690, 18322, 17728, 16957–16961
Hadrosauridae indet.7 Cope 1869 hadrosaurid
Kritosaurini indet.7 Lapparent and Lavocat 1955 hadrosaurine
ANSP 17730, 17731
? Gryposaurus sp.7 Lambe 1914 hadrosaurine
ANSP 15981, 17692, 18320, 18323, 18324, 18328, 17723, 17723–17726, 17729; ref 1487 also includes reference to "Hadrosaurus/Kritosaurus"
Lambeosaurinae indet.7 Parks 1923 lambeosaurine
ANSP 17727
Lambeosaurinae indet.2 Parks 1923 lambeosaurine
 Pterosauria -
 Loricata -
cf. Doratodon sp.4 Seeley 1881 crocodilian
Crocodylia indet.1 crocodilian
 Crocodylia -
Brachychampsa sp.4 Gilmore 1911 crocodilian
 Choristodera -
Champsosaurus sp.4 Cope 1876 choristodere
Mammalia
 Multituberculata - Neoplagiaulacidae
Mesodma sp.4 Jepsen 1940 multituberculate