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, concretionary limestone and shale
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 192420: authorized by Alexis Rojas, entered by Alexis Rojas on 02.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Proniceras garaense ammonite
Proniceras simile ammonite | |
Nannostephanus subcornutum, Nothostephanus kurdistanensis, Phanerostephanus subsenex, Phanerostephanus hudsoni, Phanerostephanus intermedius, Phanerostephanus dalmasiformis
Nannostephanus subcornutum ammonite
Nothostephanus kurdistanensis ammonite
Phanerostephanus subsenex ammonite
Phanerostephanus hudsoni ammonite
Phanerostephanus intermedius ammonite
Phanerostephanus dalmasiformis ammonite | |
Glochiceras ? spp. Hyatt 1900 ammonite
Oxylenticeras lepidum ammonite | |
Pseudolissoceras advena ammonite
Pseudolissoceras zitteli Burckhardt 1903 ammonite | |
Protancyloceras aff. gracile Oppel 1865 ammonoid
Protancyloceras kurdistanense Spath 1950 ammonoid
Cochlocrioceras turriculatum Spath 1950 ammonite | |
Lamellaptychus sp. Trauth 1927 ammonoid aptychus |