Maleevus

Tumanova, 1987 mahl-YAY-yev-us Nomen dubium

Named in honor of Soviet paleontologist Evgeny Maleev; the suffix '-us' is a standard Latinized honorific formation

100.5–83.6 million years ago Cenomanian–Santonian, Late Cretaceous

Late Cretaceous stages

Maleevus is an extinct genus of herbivorous ankylosaurid dinosaur from the late Cretaceous, around 90 million years ago (possibly 98-83 Ma), of Mongolia.

Species

Maleevus disparoserratus Tumanova, 1987 Nomen dubium

Type species

From Latin 'dispar' meaning 'unequal' and 'serratus' meaning 'serrated', referring to the unequal serrations observed on the teeth of the holotype jaw bones.

Holotype: PIN 554/1 , Paleontological Institute, Russian Academy of Sciences
Material: Fragments of the right and left maxilla with weakly developed anterior maxillary shelf; maxillary teeth with 'w'-shaped cingulum.
Notes: A braincase fragment with occipital condyle (PIN 554/2) from the same locality is referred material, not part of the holotype.
Horizon: Bayanshiree Formation, Cenomanian–Santonian, Late Cretaceous , 100.5–83.6 million years ago The age of the containing rock unit; no finer age has been published.
Locality: Shireegiin Gashuun, Ömnögovi, Mongolia

References

Tumanova, T. A. (1987). Pantsirnyye dinozavry Mongolii [The armored dinosaurs of Mongolia]. Trudy Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 32: 1-80. tumanova1987a
Arbour, V. M.; Currie, P. J. (2015). Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs. Journal of Systematic Palaeontology 14(5): 385-444. Informa UK Limited. doi:10.1080/14772019.2015.1059985
Assessed Maleevus as an undiagnosable nomen dubium without assigning it to a family.
arbour2015a