Where: Zakho, Iraq (37.0° N, 43.4° E: paleocoordinates 9.4° N, 37.9° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Durangites ammonoid zone, Chia Gara Formation, Late/Upper Tithonian (150.8 - 145.0 Ma)
• Total thickness 232.4 meters
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, brown limestone and lithified 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 192418: authorized by Alexis Rojas, entered by Alexis Rojas on 02.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Parodontoceras spp., "Parodontoceras aff. callistoides" = Parodontoceras calistoides
Parodontoceras spp. ammonite
"Parodontoceras aff. callistoides" = Parodontoceras calistoides Behrendsen 1891 ammonite | |
Kossmatia sp., Berriasella aff. privasensis, "Protacanthodiscus cf. perornatus" = Renngarteniceras perornatum, Blanfordiceras ? sp.
Kossmatia sp. Uhlig 1907 ammonite
Berriasella aff. privasensis Pictet 1867 ammonite
"Protacanthodiscus cf. perornatus" = Renngarteniceras perornatum Retowski 1893 ammonite
Blanfordiceras ? sp. Cossman 1907 ammonite | |
Ancyloceras sp. d'Orbigny 1842 ammonite | |
Leptoceras spp. Uhlig 1883 ammonite
Protancyloceras cf. kurdistanense Spath 1950 ammonoid |