Hochuan (Jurassic to of China)

Also known as Ho Chuan, Hechuan, Taihe

Where: Sichuan, China (30.1° N, 103.8° E: paleocoordinates 28.2° N, 107.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Upper Member (Shaximiao Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: fluvial; red siliciclastic sediments

Size class: macrofossils

Collected in 1957; reposited in the IVPP

Collection methods: quarrying, mechanical,

• discovered by Petroelum Geology Dept. of Sichuan province

Primary reference: S. Chao. 1965. Wǒguó de dà kǒnglóng yī héchuān mǎmén xī lóng [China’s largest dinosaur—Hehchuan-Mamenxian dragon]. Sheng wu xue tong bao [Bulletin of Biology] 1965(4):35-37 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53662: authorized by Matthew Carrano, entered by Matthew Carrano on 13.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Mamenchisauridae
Mamenchisaurus hochuanensis n. sp. Chao 1965 mamenchisaurid