Where: Landes, France (43.7° N, 1.1° W: paleocoordinates 33.9° N, 1.4° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Nostoceras hyatti ammonoid zone, Late/Upper Campanian (83.5 - 70.6 Ma)
• D'Avenac Unit. Oldest ammonites from the base of the d'Avenac unit include Hoplitoplacenticeras dolbergense and small heteromorphs of the genus Pseudoxybeloceras, indicating a Late Campanian age for the unit. The base of the Maastrichtian is at 115.2 m in the overlying Les Vignes unit.
• bed-level stratigraphic resolution
Environment/lithology: offshore shelf; lithified, glauconitic limestone
Size classes: mesofossils, microfossils
Collection methods: bulk, quarrying, chemical, mechanical, sieve
Primary reference: G. S. Odin. 2001. The Campanian-Maastrichtian stage boundary. Development in Palaeontology and Stratigraphy 19:1-881 [L. Villier/L. Villier/M. Clapham]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 38810: authorized by Loic Villier, entered by Loic Villier on 05.05.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Ophiuroidea | |
| |
| |
| |
| |
"Ophiotitanos serrata" = Ophiura serrata2
| |
| |
Rhynchonellata | |
Meonia semiglobularis1 Posselt 1894 |