[D] Chilantaisaurus maortuensis [jG] [T]
Describer
Hu, 1964
Time
Cretaceous Early Barremian Aptian
Classification
Saurischia Theropoda Tetanurae [Allosauroidea] Carcharodontosauridae
Diet
Carnivore
Fossilsite
Lower Ulansuhai Formation of Dashuigou Group, Nei Mongol Zizhiqu, China; ?Russia
Info
Genus - Typespecies - Skull
Shaochilong maortuensis (Brusatte, Benson, Chure, Xu, Sullivan, Hone 2009) > Chilantaisaurus maortuensis (Hu, 1964)
Partial skull and postcranial skeleton.
Holotype
(IVP AS 2885) (skull ~580 mm) maxilla, quadrates (lost), frontals, posterior skull, (cervical column ~995 mm) axis (~70 mm, lost), six caudal vertebrae (90, 70, 75, 85, 95 mm; one lost) Diagnosis- twelve maxillary teeth; small fused maxillary interdental plates; no groove for dental artery at base of interdental plates; no lingual bar on maxilla; thick frontals; subnarial process of frontals forms a deep trough; supratemporal fossa makes small contribution to frontal; sagittal crest on frontals and parietals; large cylindrical pneumatic cavity in posterior nasals; no quadratojugal foramen; helical groove absent in distal quadrate; paroccipital processes extend below occipital condyle; braincase short and highly pneumatized; axis short with erect neural spine.
Hu, 1964
Time
Cretaceous Early Barremian Aptian
Classification
Saurischia Theropoda Tetanurae [Allosauroidea] Carcharodontosauridae
Diet
Carnivore
Fossilsite
Lower Ulansuhai Formation of Dashuigou Group, Nei Mongol Zizhiqu, China; ?Russia
Info
Genus - Typespecies - Skull
Shaochilong maortuensis (Brusatte, Benson, Chure, Xu, Sullivan, Hone 2009) > Chilantaisaurus maortuensis (Hu, 1964)
Partial skull and postcranial skeleton.
Holotype
(IVP AS 2885) (skull ~580 mm) maxilla, quadrates (lost), frontals, posterior skull, (cervical column ~995 mm) axis (~70 mm, lost), six caudal vertebrae (90, 70, 75, 85, 95 mm; one lost) Diagnosis- twelve maxillary teeth; small fused maxillary interdental plates; no groove for dental artery at base of interdental plates; no lingual bar on maxilla; thick frontals; subnarial process of frontals forms a deep trough; supratemporal fossa makes small contribution to frontal; sagittal crest on frontals and parietals; large cylindrical pneumatic cavity in posterior nasals; no quadratojugal foramen; helical groove absent in distal quadrate; paroccipital processes extend below occipital condyle; braincase short and highly pneumatized; axis short with erect neural spine.