Where: Zakho, Iraq (37.0° N, 43.4° E: paleocoordinates 8.8° N, 38.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Berriasella (Mazenoticeras) paramimouna ammonoid zone, Chia Gara Formation, Berriasian (145.0 - 139.8 Ma)

• Total thickness 232.4 meters

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, yellow marl

Size class: macrofossils

Preservation: cast

Collection methods: quarrying,

Primary reference: M. K. Howarth. 1992. Tithonian and Berriasian ammonites from the Chia Gara Formation in northern Iran. Palaeontology 35(3):597-655 [A. Rojas/A. Rojas/A. Rojas]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 192411: authorized by Alexis Rojas, entered by Alexis Rojas on 02.04.2018

Creative Commons license: CC BY (attribution)