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Chuanjiesaurus Fang, Pang, Lu, Zhang, Pan, Wang, Li & Cheng, 2000

Chuanjiesaurus Fang, Pang, Lu, Zhang, Pan, Wang, Li & Cheng, 2000 "Chuanjie lizard"
chwahn-jyeh-SAWR-us (Chin. Chuanjie + Gr. sauros "lizard") (m) named to indicate a dinosaur found near Chuanjie village in Lufeng County, Yunnan Province, China. Chuanjiesaurus is a large sauropod from the Middle Jurassic Chuanjie Formation, discovered at the Laochang Jing site, close to A'na hamlet and about 10 km from Chuanjie village, Lufeng County, Yunnan Province. The specimen is described as a comparatively complete post-cranial skeleton (Holotype: Lfch 1001 (Lufeng Museum)) that includes 9 cervicals, 17 caudals, 2 ribs and various elements from the limbs and limb girdles. The original description is extremely brief with no measurements of any bones or comparison with other taxa. The centra of the cervical vertebrae are comparatively long, opsithocoelous type, with comparatively shallow lateral depressions and low neural arches. The anterior caudal vertebrae are procoelous while more posterior caudals are amphicoelous; the height of neural spines becomes lower toward the end of the tail as the spines change from club-shaped to plank-shaped; the haemal arches are forked. The proximal end of the scapula is markedly enlarged; the coracoid is nearly oval in form. The ilium is comparatively large and nearly semi-circular in form; the pubic bone is expanded while the distal end of the ischium is not expanded. The front to hind limb ratio is 0.83: 1, ulna to humerus ratio 0.65: 1, tibia to femur ratio 0.67:1.
Type species: Chuanjiesaurus anaensis [ah-nah-EN-sis] Fang, Pang, Lu, Zhang, Pan, Wang, Li & Cheng, 2000: "from A'na" for the hamlet of A'na, close to where the specimen was found near Chuanjie village, in Yunnan Province. Sauropoda "Cetiosauridae" Middle Jurassic China [added 12-2000]

Видовой состав

Type species: Chuanjiesaurus anaensis Fang, Pang, Lu, Zhang, Pan, Wang, Li & Cheng, 2000

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Описание Chuanjiesaurus

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