Leptorhynchos (dinosaur)

Leptorhynchos is an extinct genus of caenagnathid dinosaurs known from the Late Cretaceous (Campanian aged) Dinosaur Park and Aguja Formations of west Texas United States and southern Alberta, Canada.[2] It lived about 76 million years ago. It is distinguished from its relatives Chirostenotes and Anzu by its smaller size, and by a more strongly upturned mandible, similar to that of oviraptorids. The specializations of the beak in Leptorhynchos and other caenagnathids suggest that they were herbivores.

Leptorhynchos
Temporal range: Late Cretaceous, 75–66 Ma
Foot bones of L. elegans
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Family: †Caenagnathidae
Subfamily: †Elmisaurinae
Genus: †Leptorhynchos
Longrich et al., 2013
Type species
†Leptorhynchos gaddisi[1]
Longrich et al., 2013
Species

†L. elegans
(Parks, 1933)
†L. gaddisi
Longrich et al., 2013

Leptorhynchos

See also

References
  1. Longrich, N. R.; Barnes, K.; Clark, S.; Millar, L. (2013). "Correction to "Caenagnathidae from the Upper Campanian Aguja Formation of West Texas, and a Revision of the Caenagnathinae"". Bulletin of the Peabody Museum of Natural History. 54 (2): 263. doi:10.3374/014.054.0204.
  2. Longrich, N. R.; Barnes, K.; Clark, S.; Millar, L. (2013). "Caenagnathidae from the Upper Campanian Aguja Formation of West Texas, and a Revision of the Caenagnathinae". Bulletin of the Peabody Museum of Natural History. 54: 23. doi:10.3374/014.054.0102.
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