Genus: Elsornis CHIAPPE,
SUZUKI, DYKE, WATABE, TSOGTBAATAR & BARSBOLD, 2007
Etymology: 'Elsornis' from the Mongolian, Els,"sand" and Greek, ornis, "bird."
Species: keni CHIAPPE, SUZUKI, DYKE, WATABE, TSOGTBAATAR & BARSBOLD,
Etymology: In honor of Mr. Ken Hayashibara.
Holotype: MPD-b 100/201
Locality: Tögrögiin Shiree (= Tugrugeen Shireh, Tugrikin-Shireh locality), 44°13'10"E, 103°18'10"E, Ömnögov (South Gobi), Mongolia.
Horizon: Djadochta Formation.
Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: A partially articulated specimen, preserving its last cervical
and first three cervicothoracic vertebrae, a few thoracic ribs (2 of them nearly
complete), both coracoids, both scapulae (except for the proximal half of the
left scapula and distal end of the right), nearly complete furcula, sternum
(missing its distal portion and the ends of the lateral processes), both humeri,
ulnae and radii, fragmentary carpometacarpi, 4 ungual phalanges and 3 intermediate
phalanges of the pes, as well as a number of other undetermined bone fragments.