Kayrakty River, Zhumysker village, north of Itazu hill (Devonian of Kazakhstan)

Where: Kazakhstan (48.5° N, 73.2° E: paleocoordinates 15.8° N, 56.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Middle Famennian (370.6 - 364.7 Ma)

• Bogoslovsky placed specimens in UD IV, but a basalmost Dasbergian age (UD V-A1) is also possible. Upper Prolobites-Platyclymenia zone in Bogoslovsky (1981).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Reposited in the PIN

Primary reference: V. I. Bogoslovsky. 1981. Devonskie ammonoidei. III. Klimenii (Podotryad Gonioclymeniina). Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 191:1-122 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172597: authorized by Matthew Clapham, entered by Matthew Clapham on 12.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Posttornoceratidae
Alpinites kajraktensis n. sp. Becker 2002 ammonite
Alpinites kayseri in Bogoslovsky, 1971
 Clymeniida - Costaclymeniidae
Costaclymenia multicostata n. sp. Bogoslovsky 1981 ammonite