Hanssuesia
Name:
Hanssuesia
(named after Hans-Dieter Sues).
Phonetic: Hanz-su-es-e-ah.
Named By: R. M. Sullivan - 2003.
Synonyms: Stegoceras sternbergi, Troodon
sternbergi.
Classification: Chordata, Reptilia, Dinosauria,
Ornithischia, Pachycephalosauridae.
Species: C. sternbergi
(type).
Diet: Herbivore.
Size: Uncertain.
Known locations: Canada, Alberta - Dinosaur
Park Formation, Oldman Formation. USA, Montana - Judith River
Formation.
Time period: Campanian of the Cretaceous.
Fossil representation: Partial remains of at
least 7 individuals.
Initially through to represent a piece of the dinosaur Troodon in 1943, and later the genus Stegoceras, the single dome that makes up the holotype of this genus was named as Hanssuesia in 2003. This came about as a result of the work of R. M. Sullivan in the Stegoceras genus when he noted that the dome was distinct enough to identify a new genus. However a fresh study conducted in 2020 (Dyer & Powers), has considered Hanssuesia to be synonymous with Stegoceras.
Further reading
- Revision of the dinosaur Stegoceras Lambe
(Ornithischia,
Pachycephalosauridae). - Journal Of Vertebrate Paleontology
23 (1): 181–207. - R. M. Sullivan - 2003.
- Hanssuesia, the correct generic name for 'Hanssuessia'
Sullivan, 2003. - Journal of Vertebrate Paleontology
23(3):714. - R. M. Sullivan - 2003.
- The problematic pachycephalosaurid Gravitholus albertae: synchrotron
imaging facilitates reappraisal of taxonomic validity. - Vertebrate
Anatomy Morphology Paleontology. - Aaron D. Dyer & Mark J.
Powers - 2020.
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