ammonites
Duwa section, DU1, Keziliqiman Formation, Tarim Basin (Permian of China)

Where: Xinjiang, China (37.1° N, 79.0° E: paleocoordinates 28.6° N, 67.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Keziliqiman Formation, Artinskian (290.1 - 279.5 Ma)

• Bruntonella tenuireticulatus (=Ab) brachiopod zone; Eoparafusulina constans fusulinid zone

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

• shell bed

Size class: macrofossils

Primary reference: Z. Q. Chen and G. R. Shi. 2006. Artinskian-Kungurian (Early Permian) brachiopod faunas from the Tarim Basin, Northwest China, Part 1: Biostratigraphy and systematics of Productida. Palaeontographica Abteilung A 274(3-6):113-177 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 62699: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.07.2006