ammonites
Karatau-Mikhailovka (PIN collection 2239) (Jurassic to of Kazakstan)

Where: Chimkent, Kazakstan (43.2° N, 70.5° E: paleocoordinates 41.7° N, 74.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Karabastau Formation, Callovian to Callovian (164.7 - 155.7 Ma)

Environment/lithology: lacustrine - large; lithified siltstone

• "dark shales" Grimaldi & Engel, 2005

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: A. G. Sharov. 1968. Filogeniya ortopteroidnykh nasekomykh. Trudy Paleontologicheskogo Instituta Akademii Nauk SSSR 118:1-216 [C. Beard/C. Beard/J. Karr] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106101: authorized by Matthew Clapham, entered by Matthew Clapham on 02.03.2011, edited by Andrew Spencer-Lee, Jered Karr and Lindy Edwards

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)