La Couronne (Cretaceous of France)

Where: Charentes, France (45.6° N, 1.0° W: paleocoordinates 34.4° N, 1.1° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Cenomanian (100.5 - 93.9 Ma)

• boundary of late Cenomanian 1 and late Cenomanian 2, unnamed "unit Fc" in stratigraphic column

• group of beds-level stratigraphic resolution

Environment/lithology: poorly lithified marl

• nearshore, infralittoral
• a bioclastic marly lens

Size classes: mesofossils, microfossils

Collection methods: sieve,

Primary reference: T. Saucède and D. Néraudeau. 2006. An ‘Elvis’ echinoid, Nucleopygus (Jolyclypus) jolyi, from the Cenomanian of France: phylogenetic analysis, sexual dimorphism and neotype designation. Cretaceous Research 27(4):542-554 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64881: authorized by Pete Wagner, entered by Pete Wagner on 17.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
Rhynchostreon suborbiculatum Lamarck 1801 oyster
 Ostreida - Ostreidae
Rastellum diluvianum Linnaeus 1767 oyster
Rastellum carinatum Lamarck 1806 oyster
 Hippuritida - Ichthyosarcolitidae
"Ichthyosarcolithes triangularis" = Icthyosarcolites
"Ichthyosarcolithes triangularis" = Icthyosarcolites rudist
 Hippuritida - Radiolitidae
Rhynchonellata
 Terebratulida - Postepithyrididae
"Terebratula plicata" = Oligorhytisia magnifica
"Terebratula plicata" = Oligorhytisia magnifica Cooper 1983
 Terebratulida - Terebrataliidae
Gemmarcula menardi Lamarck 1819
Echinoidea
 Cidaroida - Cidaridae
 Euechinoidea - Pseudodiadematidae
Tetragramma variolare Brongniart 1822 sea urchin
 Holectypoida - Holectypidae
Coenholectypus excisus Desor 1847 sea urchin
 Holectypoida -
 Spatangoida - Hemiasteridae
 Irregularia - Archiaciidae
 Cassiduloida - Cassidulidae
Asteroidea
 Paxillosida - Astropectinidae
Astropectinidae indet. Gray 1840 sea star
 Valvatida - Goniasteridae
Caletaster romani Breton 1988 sea star