RTMP Quarry 143, BB 43 (Cretaceous of Canada)

Also known as ETE Locality 1534, Centrosaurus Bonebed 43

Where: Alberta, Canada (50.8° N, 111.5° W: paleocoordinates 58.1° N, 76.0° W)

• coordinate stated in text

• basin-level geographic resolution

When: Dinosaur Park Formation (Belly River Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• ETE dating method: absolute, ETE age comment: . radiometric intage_min

• bed-level stratigraphic resolution

Environment/lithology: channel lag; intraclastic sandstone and mudstone

• ETE sed env 1: fluv_deltaic, ETE sed env 2: . ETE event: flood, ETE env comment

•"paleochannel fill...associated with the lag deposit...mudstone drapes occur locally"

• ETE rock type adj: ., ETE lithology comments: .

Size classes: macrofossils, mesofossils

Collected by Brown, Currie in 1977–1993; reposited in the TMP

Collection methods: quarrying, surface (in situ), mechanical,

• ETE reference list: 478, ; ETE museum list: area = "half the size of a football field"; at least 1500 sq m, 1.5 m thick bed, 60 elements/m2

Primary reference: P. J. Currie. 1980. Mesozoic vertebrate life in Alberta and British Columbia. Mesozoic Vertebrate Life 1:27-40 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 22659: authorized by Anna Behrensmeyer, entered by Anna Behrensmeyer on 17.04.2001, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Sphaeriidae
Sphaeriidae indet.2 Deshayes 1855 clam
Chondrichthyes
 Myliobatiformes - Dasyatidae
Myledaphus sp.5 Cope 1876 whiptail stingray
Gnathostomata
  -
Reptilia
 Testudines -
Cryptodira indet.5 Cope 1868 turtle
 Avetheropoda - Dromaeosauridae
Saurornitholestes langstoni5 Sues 1978 coelurosaur
Dromaeosaurus albertensis5 Matthew and Brown 1922 coelurosaur
TMP 1986.018.0099, 1982.018.0137
 Avetheropoda - Troodontidae
Troodon formosus5 Leidy 1856 coelurosaur
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet.4, "Albertosaurus libratus" = Gorgosaurus libratus4
Tyrannosauridae indet.4 Osborn 1906 tyrannosaurid
"Albertosaurus libratus" = Gorgosaurus libratus4 Lambe 1914 tyrannosaurid
 Avetheropoda -
Aublysodon mirandus5 Leidy 1868 coelurosaur
 Avetheropoda - Ornithomimidae
Ornithomimidae indet.5 Marsh 1890 ornithomimid
 Ornithischia -
Ankylosauria indet.1 ornithischian
 Neornithischia - Ceratopsidae
Centrosaurus apertus, "cf. Mojoceratops sp." = Chasmosaurus3
Centrosaurus apertus Lambe 1905 ceratopsid
ETE minimum number of individuals
"cf. Mojoceratops sp." = Chasmosaurus3 Lambe 1914 ceratopsid
 Neornithischia - Hadrosauridae
Hadrosauridae indet.5 Cope 1869 hadrosaurid
 Crocodylia -
Brachyuranochampsa sp.5 Zangerl 1910 crocodilian
 Choristodera -
Champsosaurus sp.5 Cope 1876 choristodere
Mammalia
 Theriiformes - Marsupialia
Amphibia
  -
Amphibia indet.5 tetrapod