Gen. sp indet.
BAKHURINA, 1993/BAKHURINA & UNWIN, 1995
Locality: Dry river bed north of lake Hara-Us-Nur in the Tatal region, which lies in part of the Sangin-Dalay-Nur Depression, Mongolia.
Horizon: Tsagan-tasb Formation.
Biostratigraphy:
Age: Berriasian/Valanginian Stage, Lower Neocomian Subepoch, Lower Early Cretceous Epoch, Early Cretaceous.
Material:
Number: Not given:
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BAKHURINA & UNWIN, 1995
Locality: Hüren Dukh (Khuren Dukh), 60 km south west of Choir, Dundgov Aimak (Middle Gobi), Southeastern Mongolia.
Horizon: Large lake deposit, Dzun-Bayin Formation.
Biostratigraphy:
Age: Aptian/Albian Stage, Middle Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.
Material:
Number: Not given:
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HU, 1973
Locality: Chuchen County, China.
Horizon: Chingshan Series.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
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KURZANOV & MIKHAILOV, 1989
Locality: Builjasutuin-Khuduk, Mongolia.
Horizon:
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given: Eggshell fragments from a nest.
Note: Psittacosaur dorsal and cervical vertebrae, 2 sauropod teeth and 4 other
teeth from a predatory dinosaur, also a jaw fragment and a few cervical vertebrae
from a scincomoprhous lizard (Paranecelloididae) were mixed in with the nest.
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JI, 2004
Locality: Dawangzhangzi Village, Lingyuan, western Liaoning Province, China.
Horizon: Yixian Formation.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given: Fragmentary skeleton with skin impressions.
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JI & BO, 1998
Locality: Sihetun Village, Beipiao City, Western Liaoning, China.
Horizon: Horizon 1, Lower part of the Yixian Formation, Jehol Group.
Biostratigraphy: Psittacosaurus Fauna, Confuciusornis Avifauna.
Age: Valanginian Stage, Upper Neocomian Subepoch, Early Early Cretaceous Epoch, Early Cretaceous.
Material:
Number: Not given: Fragmentary specimen with skin impressions.
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JI, NORELL, WANG, MATKOVICKY, & WU, 2002
Locality: Lujiatun and Yanzigou, Zhanyuan, Western Liaoning Province, China.
Horizon: Lower part of the Yixian Formation.
Biostratigraphy:
Age: Hautervian Stage? Upper Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material:
Number: Not given:
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AZUMA, 1991/MANABE & HAESAGWA, 1991/MATASUKAWA & OBATA, 1994
Locality: Tetori, Kitandi, Katsuyama City, Honshu Island, Japan.
Horizon:
Biostratigraphy:
Age: Berriasian Stage, Lower Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material:
Number: Not given: Femora and tibia.
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NAPOLI, HUNT, ERICKSON & NORELL, 2019
Locality: Ondai Sayr locality, Mount Ussuk, Tsagan Nor Basin, Hovd Province, Mongolia.
Horizon: Andakhuduk Formation (old Ondai Sair Formation).
Biostratigraphy:
Age: Barremian Stage, lower Gallic Subepoch, lower Early Cretaceous Epoch, Early Cretaceous. (was thought to be Aptian-Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous).
Material:
AMNH FARB 6256: Left pes.
AMNH FARB 6257: Left manus.
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RUSSELL & ZHAO, 1996
Locality: Alouchaideng, a few hundred meters south of the main east-west highway, 90 km west of Dongsheng, and 10 km east of Alouchaideng truck stop, in the Ordos (Shaan-Gan-Ning) Basin, Inner Mongolia (Nei Mongolia), China.
Horizon: Ejinhoro Formation.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given: 14 fragmentary specimens which pertain to small (immature specimens?).
Locality: Ulan Obo, 1 km north of the main east-west highway about 35 km west of Hangginqi, 2 km east of the village of Ahlingbola, in the Ordos (Shaan-Gan-Ning) Basin, Inner Mongolia (Nei Mongolia), China.
Horizon:
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given: 3 specifically undetermined specimens.
Locality: Hangginqi, the main highway south from Hangginqi descends a gentle escarpment about 16 km south of the City, Ordos (Shaan-Gan-Ning) Basin, Inner Mongolia (Nei Mongolia), China.Horizon: Ejinhoro Formation.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Numbers: Not given: 7 specifically undermined small specimens.
Locality: Laolonghuozi, in buttes along both sides of the main east-west highway, approximately 55 km west of Hangginqi and 120 km east of Deng Kou, Inner Mongolia (Nei Mongolia), China.Horizon: Luohandong Formation, Zhidian Group.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Numbers: Not given: 2 specifically undetermined limb elements and a few fragments.
Locality: Elesitai, near the abandoned village of Elesitai, 23 km west of Tukemu Village in the Alashan Desert, Inner Mongolia (Nei Mongolia), China.Horizon: Shallow lacustrine strata of the Bayin Gobi Formation.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Numbers: Not given: 2 incomplete specimens.
Locality: Ningxia, Inner Mongolia (Nei Mongolia), China.
Horizon:
Biostratigraphy:
Age: Early Cretaceous.
Material:
Numbers: Not given: Prominet jugal horns.
Note: DONG, 1987, p. 53.
Locality: Hebei Province, China.Horizon: Tujingzi Formation.
Biostratigraphy:
Age: Early Albian Stage, Middle Gallic Subepoch, Late Early Cretaceous Epoch, Early Cretaceous.
Material:
Numbers: Not given:
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SERENO, 1987
Locality: Mongolia.
Horizon:
Biostratigraphy:
Age: Early Cretaceous.
Materail:
IG V.355: Fragmentary left humerus, and vertebral centar.
IG unnumbered: Adult postcrania including an associated hind limb.
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SUSLOV, 1983
Locality: Chamrin-Us, East Gobi, Mongolia.
Horizon:
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
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WANG, WANG, WANG, XU, TANG, ZHANG, HU, GU & HAO, 1998
Locality: Sihetun, western Liaoning, Northeastern China.
Horizon: Yixian Formation, third member, grey, grayish-black, grayish-white shale with light yellow sandstone, siltstone, silty mudstone and more than 10 layers of light yellow tuffite, tuffaceous sandstone and mudstone.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
Locality: Sihetun, western Liaoning, Northeastern China.
Horizon: Tuchengzi Formation, first member, sandstone and sandstone with gravels, lower vertebrate-bearing horizon.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
Locality: Sihetun, western Liaoning, Northeastern China.
Horizon: Tuchengzi Formation, first member, sandstone and sandstone with gravels, middle lower part of the lower vertebrate bearing horizon.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
Locality: Sihetun, western Liaoning, Northeastern China.Horizon: Tuchengzi Formation, small cycles of light yellow yellow-brown fine sandstone to gray shale, upper gray shale.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given.Locality: Sihetun, western Liaoning, Northeastern China.
Horizon: Tuchengzi Formation, grayish-black shale with light yellow, yellow-brown fine sandstone and siltstone, middle gray shales.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
Locality: Sihetun, western Liaoning, Northeastern China.
Horizon: Tuchengzi Formation, grayish-black shale with light yellow, yellow-brown fine sandstone and siltstone, upper grayish-black shale.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
Locality: Sihetun, western Liaoning, Northeastern China.
Horizon: Tuchengzi Formation, grayish-black shale with light yellow, yellow-brown fine sandstone and siltstone, upper part of the third cycle is grayish-black shale.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
Locality: Sihetun, western Liaoning, Northeastern China.Horizon: Tuchengzi Formation, grayish-black shale with light yellow, yellow-brown fine sandstone and siltstone, upper part of the third cycle in grayish-black shale.
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
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WATABE, TSOGTBAATAR, TSUIHIJI & BARSBOLD, 2003
Locality: Bakhar, Mongolia.
Horizon: Red Beds overlying the Ortsag beds.
Biostratigraphy:
Age: Middle-Late Jurassic.
Material:
Number: Not given: Cranial and postcranial bones.
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YOUNG, 1932
Locality: Haratologai, Urad Houqi, Inner Mongolia (Nei Mongolia), China.
Horizon:
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given: Limb-bones and vertebrae, poorly preserved. 1 metacarpus, represented mostly by a negative cast, showing the portions of 4 digits.
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YOUNG, 1964
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
Number: Not given: