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Chasmosaurus belli Lambe 1902 (ceratopsid)

Reptilia - Neornithischia - Ceratopsidae

PaleoDB taxon number: 66019

Alternative combinations: Ceratops belli, Chasmosaurus billi, Monoclonius belli, Protorosaurus belli

Synonyms: Ceratops canadensis Lambe 1902 (no. 81376), Ceratops caudensis Lambe 1902 (no. 363795), Chasmosaurus brevirostris Lull 1933 (no. 63964), Chasmosaurus canadensis Lambe 1902 (no. 63907), Chasmosaurus kaiseni Brown 1933 (no. 56004), Eoceratops canadensis Lambe 1902 (no. 63908), Monoclonius canadensis Lambe 1902 (no. 66164)

Full reference: L. M. Lambe. 1902. New genera and species from the Belly River Series (mid-Cretaceous). Geological Survey of Canada Contributions to Canadian Palaeontology 3(2):25-81

Belongs to Chasmosaurus according to S. C. R. Maidment and P. M. Barrett 2011

Sister taxon: Chasmosaurus russelli

Type specimens:

  • Chasmosaurus belli: NMC 491, a skull. Its type locality is Chasmosaurus type, Berry Creek, GSC (NMC), which is in a Campanian terrestrial horizon in the Dinosaur Park Formation of Canada.
  • Chasmosaurus brevirostris: ROM 5436. Its type locality is RTMP Quarry 25, Red Deer River, which is in a Campanian channel sandstone in the Dinosaur Park Formation of Canada.
  • Chasmosaurus kaiseni: AMNH 5401, a skull. Its type locality is 14 miles below Steveville (30 ft level), which is in a Campanian terrestrial horizon in the Oldman Formation of Canada.
  • Monoclonius canadensis: NMC 1254, a skull. Its type locality is Berry Creek, GSC (NMC 1254), which is in a Campanian/Campanian terrestrial horizon in Canada.

Ecology: ground dwelling herbivore

Average measurements (in mm): femur length 749.3, fibula length 482.6, humerus length 508.0, radius length 317.5, tibia length 533.4, ulna length 431.8

Estimated body mass: 1.77 tons based on femur length