Ampelognathus

Tykoski et al. 2023

Ampelognathus is an extinct genus of possibly rhabdodontomorph ornithopod dinosaurs from the Late Cretaceous (Cenomanian) Lewisville Formation of Texas. The type species is Ampelognathus coheni.

Temporal range

Triassic

Jurassic

Cretaceous

Paleogene

Neogene

252 201 145 66 0 Ma

PBDB occurrences

Group

Dinosaures

Herbivore Ground dwelling, gregarious Terrestrial

click to enlarge

DMNH 2021-05-02, holotype left dentary of Ampelognathus coheni, photos and labeled outline drawings in A, lateral; B, medial; C, dorsal; D, ventral; E, anterior; and F, posterior views. Abbreviations: a#, alveolus and numerical position in tooth row; anf, angular facet; cof, coronoid facet; cop, coronoid process; d6, dentary tooth 6 base; ds, dentary symphysis; mc, Meckelian canal; mg, Meckelian groove; pdd, dorsal facet for predentary; pdv, ventral facet for predentary; saf, surangular facet. Gray fill indicates recessed surfaces. Stippling indicates visible sediment. Cross-hatching indicates broken bone surface. Scale bars equal 5 mm. © R. S. Tykoski, D. L. Contreras & C. Noto · CC BY 4.0 · Wikimedia

PBDB ↗ Wikipedia ↗

Classification

Dinosauria Unranked clade

›

Ornithischia Unranked clade

›

Neornithischia Unranked clade

›

Pyrodontia Unranked clade

›

Cerapoda Unranked clade

›

Ornithopoda Suborder

›

Iguanodontia Infraorder

›

Rhabdodontomorpha Unranked clade

›

Ampelognathus Genus

Fossil sites 1 geolocated sites

Distribution

Top countries

🇺🇸 United States

Geological formations

Lewisville

Temporal distribution

Cenomanian (100.5–93.9 Ma)

Species (1)

Ampelognathus coheni 101 Ma

Bibliography

Original description

R. S. Tykoski, D. L. Contreras, and C. Noto. 2023. The first small-bodied ornithopod dinosaur fromthe Lewisville Formation (middle Cenomanian) of Texas. Journal of Vertebrate Paleontology 43(2):e2257238:1-10 DOI ↗

Bibliography (1)