ammonites
Mara River (Jurassic of Russian Federation)

Also known as PGAP 668

Where: Russian Federation (43.8° N, 41.9° E: paleocoordinates 39.0° N, 48.0° E)

• coordinate estimated from map

When: Muzdukh Suite Formation, Toarcian (183.0 - 175.6 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: V. A. Vakhrameev and M. A. Petros'yants. 1973. Distribution of plant fossils. Ob'yasnitel'naya zapiska k stratigraphicheskoi skheme yurskikh otlozhenii Severnogo Kavkaza. (Explanatory notes for stratigraphic scheme of Jurassic deposits of the North Caucasus). 154-155 [A. Rees/A. Rees] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 30608: authorized by Allister Rees, entered by Allister Rees on 02.04.2003