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Homalocephale calathocercos Maryanska and Osmolska 1974 (ornithischian)

Reptilia - Neornithischia

PaleoDB taxon number: 52836

Full reference: T. Maryanska and H. Osmolska. 1974. Pachycephalosauria, a new suborder of ornithischian dinosaurs. Palaeontologia Polonica 30:45-102

Belongs to Homalocephale according to R. J. Butler et al. 2008

Sister taxa: none

Type specimen: MPC-D/GI SPS 100/1201 (= MPC-D/GI SPS 100/51), a partial skeleton. Its type locality is Nemegt, Western Sayr, site 8 [PMPE], which is in a Campanian/Maastrichtian terrestrial conglomerate/sandstone in the Nemegt Formation of Mongolia.

Ecology: ground dwelling herbivore

Average measurements (in mm): coracoid length 74.5, femur 218.0 x 25.2, fibula width 18.8, tibia width 58.5

Estimated body mass: 27.4 kg based on femur length