Also known as Was: Llandeilian brachiopods of Gorny Altai, Tuloy River

Where: Altay, Russian Federation (52.3° N, 87.5° E: paleocoordinates 9.7° N, 26.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Amplexograptus coelatus - Didymograptus geminus graptolite zone, Lower Member (Bugryshikha Formation), Darriwilian (467.3 - 458.4 Ma)

• Llandeilo, Middle Ordovician, Karasinskaya Suite; PJW: Sennikov et al. (2019) put this in the upper half of the Bugryshikha Horizon. They correlate these beds with the Expansograptus jakovlevi - Amplexograptus coelatus - Didymograptus geminus zone and the lower part of the lower Hustedograptus teretiusculus zone.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandstone and black, gray claystone

Size classes: macrofossils, mesofossils

Preservation: cast

Primary reference: K.h. S. Rozman and L. G. Severgina. 1983. Llandeylovskiye brakhiopodovye kompleksy Mongolskogo i Gornogo Altaya. Llandeilian brachiopods assemblages of Mongolian and Gorny Altai. Trudy - Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 20:14-25 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45983: authorized by Martin Aberhan, entered by Sabine Nürnberg on 17.12.2004

Creative Commons license: CC BY (attribution)