Lafarge quarry, Lestaillats 1 (Cretaceous of France)

Also known as Roquefort-sur-Garonne, Mauran

Where: Haute-Garonne, France (43.2° N, 1.0° E: paleocoordinates 35.2° N, 1.0° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Marnes de Lestaillats Formation (Ausseing Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• also referred to as the "Marnes d'Auzas"

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; bioturbated, black, gray, carbonaceous claystone

• "estuarine mudstones"
• "from a thick series (20 m) of gray to black marls, rich in organic materials, strongly bioturbated and remakable for the superabundance of whole lamellibranch shells..."

Size classes: macrofossils, mesofossils

Collected by Y. Laurent in 1993-1997

Primary reference: E. Buffetaut. 1994. The significance of dinosaur remains in marine sediments: an investigation based on the French record. In R. Kohring & T. Martin (eds.), Miscellanea Palaeontologica 3: Festschrift Bernard Krebs. Berliner Geowissenschaften Abhandlungen, Reihe E 13:125-133 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 48865: authorized by Matthew Carrano, entered by Matthew Carrano on 01.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Cyrenidae
Gastropoda
 Sorbeoconcha - Potamididae
 Sorbeoconcha - Melanopsidae
 Sorbeoconcha - Cerithiidae
 Sorbeoconcha - Pachychilidae
Chondrichthyes
 Selachii -
"Selachii" indet.2 shark
"shark" teeth
Actinopteri
 Elopiformes - Phyllodontidae
Phyllodontidae indet.3 Sauvage 1875
plus additional unnumbered specimens
 Spariformes - Sparidae
? Sparidae indet.3 Cuvier 1817
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.3 Cuvier 1825 gar
plus additional unnumbered specimens
Reptilia
 Testudines -
Pleurodira indet.2 sideneck turtle
 Theropoda -
Theropoda indet.3 theropod
MDE-Les-76
 Ornithischia - Nodosauridae
Nodosauridae indet.2 Marsh 1890 ornithischian
MDE-Les-9, 68, 69
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
MDE-Les-4, 5, 10, 20, 25, 73
 Loricata -
Crocodylia indet.1 crocodilian