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: Tirnovella alpillensis ammonoid zone, Lower Member (Garagu Formation), Berriasian (145.0 - 139.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, ferruginous, ooidal, yellow 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 192410: authorized by Alexis Rojas, entered by Alexis Rojas on 02.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Subthurmannia occitanica ammonite
Tirnovella alpillensis Mazenot 1939 ammonite |