Cadeuil subunit B1, horizon B1a (Cretaceous of France)

Where: Poitou-Charentes, France (45.8° N, 1.0° W: paleocoordinates 34.5° N, 1.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Cenomanian (99.6 - 93.5 Ma)

• "Cénomanien basal"

•30 - 40 cm bed

• bed-level stratigraphic resolution

Environment/lithology: perireef or subreef; poorly lithified, carbonaceous siltstone

• "infralittoral d'arrière-récif"
• "falun meuble, épais de 30 à 40 cm... La fraction fine est surtout composée de silt calcaire issue du fractionnement des huîtres et des orbitolines, et dans une moindre mesure de sables fins"

Size class: macrofossils

Preservation: mold/impression

Collection methods: bulk,

Primary reference: R. Vullo, D. Néraudeau, and B. Videt. 2003. Un faciès de type falun dans le Cénomanien basal de Charente-Maritime (France). Annales de Paléontologie 89(3):171-189 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 73863: authorized by John Alroy, entered by John Alroy on 07.07.2007, edited by Matthew Carrano and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Orbitolinacea - Orbitolinidae
Anthozoa
 Hexacorallia -
Hexacorallia indet.
"Rhizangiidae ou Oculinidae?"
 Scleractinia - Montlivaltiidae
"Ellipsosmilia cornucopia" = Trochosmilia (Ellipsosmilia)
"Ellipsosmilia cornucopia" = Trochosmilia (Ellipsosmilia) stony coral
Gastropoda
 Sorbeoconcha - Aporrhaidae
"Harpagodes incerta" = Harpagodes nodosus
"Harpagodes incerta" = Harpagodes nodosus Sowerby 1823 snail
 Heterostrophia -
Bivalvia
 Ostreida - Gryphaeidae
Ceratostreon flabellatum Goldfuss 1833 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster
 Ostreida - Ostreidae
Rastellum carinatum Lamarck 1806 oyster
 Hippuritida - Ichthyosarcolitidae
Ichthyosarcolites triangularis Desmarest 1822 rudist
 Hippuritida - Radiolitidae
 Cardiida - Cardiidae
Granocardium cf. productum Sowerby 1832 cockle
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
Cyclothyris compressa Valenciennes 1819
Cyclothyris difformis Valenciennes 1819
 Terebratulida - Cnismatocentridae
"Terebratula biplicata" = Nucleatina biplicata
"Terebratula biplicata" = Nucleatina biplicata Sowerby 1812
 Terebratulida - Terebrataliidae
Gemmarcula menardi Lamarck 1819
Stenolaemata
 Cyclostomata - Eleidae
Cirripedia
  -
Crinoidea
 Isocrinida - Isocrinidae
"Pentacrinus cenomanensis" = Isocrinus cenomanensis
"Pentacrinus cenomanensis" = Isocrinus cenomanensis d'Orbigny 1850 Sea lily
Echinoidea
 Cidaroida - Histocidaridae
 Arbacioida - Arbaciidae
Goniopygus menardi Desmarest in Defrance 1925 sea urchin
 Holectypoida -
 Cassiduloida - Cassidulidae
Nucleopygus similis d'Orbigny 1856 sea urchin
 Calycina - Phymosomatidae
Asteroidea
 Paxillosida - Astropectinidae
Astropectinidae indet. Gray 1840 sea star
 Valvatida - Goniasteridae
Caletaster romani Breton 1988 sea star
Chondrichthyes
 Hybodontiformes - Hybodontidae
Tribodus morlati Landemaine 1991 elasmobranch
 Rajiformes -
Pseudohypolophus mcnultyi Thurmond 1971 guitarfish
 Lamniformes - Anacoracidae
Squalicorax sp. Whitley 1939 crow shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus minimus Landemaine 1991 goblin shark
 Lamniformes - Haimirichiidae
"Carcharias amonensis" = Haimirichia amonensis
"Carcharias amonensis" = Haimirichia amonensis Cappetta and Case 1975 mackerel shark
Reptilia
 Squamata -
Squamata "indet. A"2, "Ophidiomorpha indet." = Mosasauroidea2
Squamata "indet. A"2 squamates
MA CDL 1
"Ophidiomorpha indet." = Mosasauroidea2 squamates
MA CDL 2
 Squamata - Simoliophiidae
Simoliophis rochebrunei Sauvage 1880 snake
 Loricata -
Actinopteri
 Neopterygii -