Describer

Nessov & Kaznyshkina, 1995

Time

Cretaceous Late Turonian Coniacian

Classification

Ornithischia Ornithopoda Hadrosauridae Nomina Dubia

Diet

Herbivore

Fossilsite

Bissekt Formation, Dzharakhuduk, (Dzhira-Khuduk) Central Kyzylkum Desert, Uzbekistan; Tyul\\\\\\\'keli, Kazakhstan

Fall Under

Gilmoreosaurus

Info

Gilmoreosaurus (Brett-Surman, 1979) > Gilmoreosaurus mongoliensis (Gilmore, 1933) = Mandschurosaurus mongoliensis (Gilmore, 1933)

Gilmoreosaurus > Gilmoreosaurus arkhangelskyi (Nessov & Kaznyshkina, 1995) >> Gilmoreosaurus kysylkumensis (Nessov, 1989) >>> Cionodon kysylkumensis (Riabinin, 1931) > Gilmoreosaurus xilingolensis (Anonymus, 2006)

Holotype

TsNIGR museum #664/12457, left frontal from upper Turonian or Coniacian, Dzhira-Khuduk, Uzbekistan, lower section of Bissekt Formation (Bissektiyskaya Svita); referred material includes a parietal, braincase, maxilla, dentary, predentary, atlas and epistropheus, vertebrae, sacrum, limb bones and scapulae; species name honors geologist A. D. Arkhangelsky.

Other skull material previously referred to Gilmoreosaurus kysylkumensis, (Nessov, 1989) originally Cionodon kysylkumensis, (Riabinin, 1931), is removed to Gilmoreosaurus arkhangelskyi, and is no longer considered part of Cionodon (or Gilmoreosaurus kysylkumensis). The assigenment of this material to the lambeosaurine genus Bactrosaurus by Nessov, 1995 is in dispute.

G. arkhangelskyi consist out of a variety of non-diagnosable ornithopod, mainly hadrosaurian (indet) remains, taxa erected on this quality of material are apt to cause confusion, but serve to register the existence of more ornithopod remains.