Where: Tunisia (36.3° N, 10.1° E: paleocoordinates 25.1° N, 13.4° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Insigne ammonoid zone, Kef el Orma Formation, Late/Upper Toarcian (180.1 - 175.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: deep subtidal; lithified, shelly/skeletal, gray, cherty/siliceous limestone
Size class: macrofossils
Collection methods: Repository: Service de la Carte Géologiue de Tunisie
Primary reference: M. Rakús and J. Guex. 2002. Les ammonites du jurassique inférieur et moyen de la dorsal tunisienne. Mémoires de Géologie (Lausanne) 39:1-149 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 170604: authorized by Matthew Clapham, entered by Matthew Clapham on 23.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Dumortieria ex gr. dumortieri, "Gruneria cf. gaudrii" = Phlyseogrammoceras, "Gruneria sp." = Phlyseogrammoceras
Dumortieria ex gr. dumortieri ammonite
"Gruneria cf. gaudrii" = Phlyseogrammoceras ammonite
"Gruneria sp." = Phlyseogrammoceras Buckman 1901 ammonite | |
Hammatoceras insigne, "Hammatoceras (Geczyceras) aff. goyi" = Crestaites goyi
Hammatoceras insigne Schubler 1831 ammonite
"Hammatoceras (Geczyceras) aff. goyi" = Crestaites goyi Martinez 1992 ammonite | |
unclassified | |
"Osperlioceras cf. nadorense" = Osperleioceras
"Osperlioceras cf. nadorense" = Osperleioceras |