Genera

Stygimoloch

7월 8, 2025 - By user

Stygimoloch

“River
Styx (Hell Creek Formation)
Moloch (Ammonite/Phoenician god)”

[ Measurements | Time | Place | Remains | Essay | Images ]

CLASSIFICATION

Stygimoloch
Galton & Sues, 1983TYPE SPECIES:
S. spinifer Galton & Sues, 1983

MISASSIGNED SPECIES:
S. garbanii (Morris, 1976) (originally Thescelosaurus) = Bugenasaura garbanii

Animalia Vertebrata Tetrapoda Sauropsida Archosauromorpha Ornithodira Dinosauria
Ornithischia Pachycephalosauria Pachycephalosauridae

MEASUREMENTS

see also: World Records

TIME

see also: Ages of the Mesozoic

PLACE

Montana, Wyoming

see also: Paleo-Maps

REMAINS

5 skull fragments

see also: Anatomy

ESSAY

Stygimoloch was unusual (and cool) in having bony spikes around its dome, somewhat similar to the ceratopsid Styracosaurus.
Known from vertebrae and a hindlimb, Stygimoloch garbanii has been assigned to the Hell Creek ornithopod Bugenasaura, although it might be the body of Stygimoloch.

IMAGES

ADAM STUART SMITH

a pair of Stygimoloch spinifer courting

MAURICIO P
ACHECO SUÁREZ

a really lonely Stygimoloch spinifer