Where: Ecuador (1.0° S, 77.7° W)
• Paleocoordinates: 1.2° N, 40.8° W (Wright 2013)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Lower Napo Shales Member (Napo Formation), Late/Upper Albian (105.3 - 99.6 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified, lag, pebbly, black claystone
Size class: macrofossils
Primary reference: L. G. Bulot, W. J. Kennedy, E. Jaillard and E. Robert. 2005. Late Middle-early Late Albian ammonites from Ecuador. Cretaceous Research 26:450-459 [W. Kiessling/W. Kiessling/L. Bulot]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 56768: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 24.11.2005
Creative Commons license: CC0 (CC0)
Taxonomic list
Cephalopoda | |
"Dipoloceras fredericksburgense" = Dipoloceras cristatum, Dipoloceras (Dipoloceras) tarrantense
"Dipoloceras fredericksburgense" = Dipoloceras cristatum Brongniart 1822 ammonite
Dipoloceras (Dipoloceras) tarrantense Scott 1928 ammonite | |
Glottoceras aff. laraense Renz 1970 ammonite
Glottoceras moorei Knechtel 1947 ammonite
Glottoceras sommermeieri Knechtel 1947 ammonite | |
Bivalvia | |
Actinoceramus concentricus Parkinson 1819 clam |