A field guide to mesozoic birds and other winged dinosaurs

Huang’s Heyuan Heyuannia huangi
Time: Uncertain (Maastrichtian?) Location: Guangdong, China Habitat: Zhutian Formation
Size: WS >50cm (1.6ft); BL 1.5m (4.9ft); TL unknown Features: Head small w/ large
eyes & short beak. Crest absent. Neck long & slender. Wings small, w/ short, partially fused
wing bones.
Yanshin’s Ingeni “Ingenia” yanshini
Time: 72 Ma ago Location: Omnogovi, Mongolia Habitat: Hermin Tsav, Barun Goyot
Formation (see above). Size: WS >80cm (2.6ft); BL ~1.6m (5.2ft); TL unknown Features:
Head small & slightly flat & elongated w/ no crest. Wings small w/ very small digits & large
claws. Biology: The name “Ingenia” is preoccupied & will be replaced.
Barsbold’s Nemegt Mother Nemegtomaia barsboldi
Time: 72-70 Ma ago Location: Omnogovi, Mongolia Habitat: Barun Goyot and Nemegt
Formations (see above) Size: WS >60cm (1.9ft); BL 1.8m (6ft); TL unknown Features:
Similar to “Ingenia” yanshini but w/ a large, low casque similar to that of Citipati osmolskae.
Wings small, w/ short, stout digits. May represent mature individuals of “Ingenia” yanshini.
Stripe-crested Dragon Banji long
Time: Uncertain (Campanian or Maastrichtian) Location: Jiangxi, China Habitat: Nanxiong
Formation. Size: WS unknown; BL ~55cm (1.8ft); TL unknown Features: Crest
prominent & raised above the head sharply from the back. Deep striations on the underlying
bone indicate large keratin component in life, probably for display, possibly ridged.
Biology: The smallest known oviraptorid species, though the only known specimen may
actually be a juvenile.
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