Species: sunailinae SIGOGNEAU-RUSSELL, 1981
Etymology:
= Eotomistoma multidentata YOUNG, 1964 (partim)
Holotype: IVPP 2774
Locality: Ikecho, 80 km south east of village center, Otog Qi, Ih Ju Meng, district d'Otok, Inner Mongolia, China.
Horizon: Zhidan Group.
Biostratigraphy:
Age: Summit of Early Cretaceous or base of Late Cretaceous.
Material: Fragment of maxilla-palatine.
Referred material:
BRINKMAN & DONG, 1993
Locality: Chabu Sumu locality, 63 km west of Otog Qi (37’52”N, 107’35”E), Inner Mongolia, China.
Horizon: Laohongdon Formation, Zhidan Group.
Biostratigraphy:
Age: Early Cretaceous.
Material:
IVPP 9611-1: Skull presacral vertebral column, shoulder girdle, left forelimb and gastralia of a juvenile.
IVPP 9611-2: Partial skeleton including an incomplete skull, vertebral column, and parts of fore and hind limbs.
IVPP 9611-3: Skull missing tip of snout, anterior 8 cervical vertebrae and ribs.
IVPP 9611-4: Partial skeleton including last 3 dorsal vertebrae, sacrum, and base of tail.
IVPP 9611-5: Partial skeleton including sacrum, partial pelvis, right hind limb and first 11 caudal vertebrae.
Locality: Laolonghuoze Locality, 53 km west of Hanggin Qi, Inner Mongolia, China.
Horizon: Laohongdon Formation, Zhidan Group.
Biostratigraphy:
Age: Early Cretaceous.
Material:
IVPP V10596.1: Isolated parabasiphenoid.
IVPP V10596.2: Isolated right parasbasisphenoid.
IVPP V10596.3: Coronoid region of lower jaw.
IVPP V10596.4: Posterior end of lower jaw.
IVPP V10596.5: 19 centra and 2 isolated neural arches.
IVPP V10596.6: 1 dorsal rib.
IVPP V10596.7: 1 sacral rib.
IVPP V10596.8: 1 caudal rib.
IVPP V10596.9: 2 isolated ribs.
IVPP V10596.10: Fifth metatarsal.
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Species: magnus (EFIMOV, 1975) SIGOGNEAU-RUSSELL, 1981
Etymology: Latin, magnus, "large, great."
= Tchoiria magna EFIMOV, 1975
Holotype: PIN 559/501
Locality: Khamaryn Khural, Eastern-Gobi Aimag, South-eastern Mongolia.
Horizon: Upper Huhteeg Gorizont, Zuunbayan (Sainshand) Svita.
Biostratigraphy:
Age: Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous, Early Cretaceous.
Material: Dentary fragment.
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Species: gaoi LU, KOBAYASHI & LI, 1999
Etymology: In honor of Gao Dian-Min, who found the holotype in 1993.
Holotype: IVPP V11477
Locality: Chifeng city, Yikezhao League, Inner Mongolia Province, China.
Horizon: Jiufutang Formation.
Biostratigraphy:
Age: ?Valanginian Stage, Middle Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: A fragmentary skeleton including the crushed skull with lower jaw.
Breakdown as follows.
IVPP V11477-1: Skull and lower jaw.
IVPP V11477-2: Doral vertebrae with ribs and abdominal ribs.
IVPP V11447-3: Isolated vertebrae and 1 complete right ilium.
IVPP V11447-4, 5: Femora.
IVPP 11477-6: Complete left radius
And parts of other bones.
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Species: pijiagouensis LIU, 2004
Etymology: In reference to Pijiagou, Liaoning Province, China, the name of the fossil locality.
Holotype: IVPP 13283
Locality: Pijiagou, Yixian, Liaoning Province, China.
Horizon: Jiufotang Formation.
Biostratigraphy:
Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Material: An articulated and nearly complete skeleton with skull and lower
jaws.