Drumheller bone bed, Munson Ferry (80 ft level) (Cretaceous of Canada)

Also known as Bleriot Ferry; RTMP Locality L1504

Where: Alberta, Canada (51.6° N, 112.9° W: paleocoordinates 59.3° N, 84.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Horseshoe Canyon Formation (Edmonton Group), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• found "low in the lower member of the Edmonton Formation" (now = Horseshoe Canyon Fm.)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; concretionary, gray, carbonaceous shale and lithified conglomerate

• "Dark gray carbonaceous shale containing comminuted plant fragments surrounded the fossil. A thin layer of hard, clay-pellet conglomerate lay just beneath it...zones of concretionary induration (so-called clay-ironstone) have developed adjacent to the bone."

Size classes: macrofossils, mesofossils

Collected by W. Langston in 1960s, 1993-1998

Collection methods: bulk, quarrying, mechanical, sieve,

Primary reference: W. Langston, Jr. 1967. The thick-headed ceratopsian dinosaur Pachyrhinosaurus (Reptilia: Ornithischia), from the Edmonton Formation near Drumheller, Canada. Canadian Journal of Earth Sciences 4:171-186 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34744: authorized by Matthew Carrano, entered by Matthew Carrano on 19.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Dasyatidae
Myledaphus sp.4 Cope 1876 whiptail stingray
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp.4 de Lacep├Ęde 1803 gar
Osteichthyes
 Proteida - Batrachosauroididae
Opisthotriton sp.4 Auffenberg 1961 tetrapod
 Caudata - Urodela
Scapherpeton sp.4 Cope 1876 salamander
Reptilia
 Testudines -
Testudines indet.4 Batsch 1788 turtle
 Avetheropoda - Tyrannosauridae
Albertosaurus sp.4 Osborn 1905 Alberta lizard
 Avetheropoda - Dromaeosauridae
Richardoestesia cf. gilmorei3 Currie et al. 1990 coelurosaur
TMP 1983.033.0017
 Avetheropoda - Troodontidae
cf. Troodon sp.3 Leidy 1856 coelurosaur
TMP 1974.001.0001-02, 1985.012.0002
 Neornithischia - Ceratopsidae
? Pachyrhinosaurus sp.1 Sternberg 1950 ceratopsid
TMP 1993.29.4, 1993.29.5, 1995.91.1
Pachyrhinosaurus canadensis2 Sternberg 1950 ceratopsid
"Drumheller skull"
 Neornithischia - Hadrosauridae
Edmontosaurus sp.4 Lambe 1917 hadrosaurine