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, brown limestone
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 192413: authorized by Alexis Rojas, entered by Alexis Rojas on 02.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Dalmasiceras sp. ammonite | |
Berriasella sp. Uhlig 1905 ammonite
Acanthodiscus sp. Uhlig 1905 ammonite
Neocomites praeneocomiensis Burckhardt 1912 ammonite |