Where: Algeria (35.1° N, 1.8° W)
• Paleocoordinates: 28.0° N, 9.2° E (Wright 2013)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Polymorphum ammonoid zone, Bayada Formation, Tenuicostatum (184.2 - 182.9 Ma)
• Mirabile subzone
• bed-level stratigraphic resolution
Environment/lithology: offshore ramp; lithified lime mudstone
Size class: macrofossils
Primary reference: S. Elmi, A. Marok, A. Sebane and Y. Alméras. 2009. Importance of the Mellala section (Traras Mountains, northwestern Algeria) for the correlation of the Pliensbachian-Toarcian boundary. Volumina Jurassica 7:37-45 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 148282: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2013
Creative Commons license: CC0 (CC0)
Taxonomic list
Cephalopoda | |
"Paltarpites sp." = Protogrammoceras, "Paltarpites paltus" = Protogrammoceras (Paltarpites) paltum
"Paltarpites sp." = Protogrammoceras Spath 1913 ammonite
"Paltarpites paltus" = Protogrammoceras (Paltarpites) paltum Buckman 1922 ammonite |