Trigance (Section 2) (Cretaceous of France)

Where: France (43.8° N, 6.5° E: paleocoordinates 34.8° N, 15.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Late/Upper Valanginian (140.2 - 136.4 Ma)

Environment/lithology: deep subtidal; shelly/skeletal marl

Primary reference: E. Francois and B. David. 2006. Variations morphologiques des Toxaster (Echinoida : Spatangoida) en regard des fluctuations spatiales (Arc de Castellane, SE France) et temporelles (Valanginien-Hauterivien) du milieu sédimentaire : expression d'un potentiel adaptatif restreint. Géobios 39:355-371 [A. McGowan/A. McGowan/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 65190: authorized by Alistair McGowan, entered by Alistair McGowan on 20.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pholadomyida - Pholadomyidae
Pholadomya elongata Münster 1840 clam
 Ostreida - Gryphaeidae
 Ostreida - Ostreidae
Arctostrea sp. Pervinquiere 1910 oyster
[entered as Arcostrea sp.]
Cephalopoda
 Ammonitida - Olcostephanidae
Saynoceras verrucosum d'Orbigny 1841 ammonite
Stenolaemata
 Cyclostomata - Diastoporidae
Rhynchonellata
 Terebratulida - Zeilleriidae
Echinoidea
 Euechinoidea - Pseudodiadematidae
 Spatangoida - Toxasteridae
Toxaster granosus heart urchin
T. granosus kiliani 155 adults
 Irregularia - Disasteridae
Crinoidea
 Isocrinida - Isocrinidae
Isocrinus sp. von Meyer 1836 Sea lily