Calcarenite a bryozoaires, France (Cretaceous of France)

Where: France (45.0° N, 0.4° E: paleocoordinates 35.0° N, 2.3° E)

• coordinate based on political unit

• small collection-level geographic resolution

When: Calcarenite a bryozoaires de la Bouchardiere Member (Craie de Villedieu Formation), Santonian (86.3 - 83.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: hardground limestone and grainstone

• lithology described as two hardgrounds interbedded with calcarenite

Primary reference: I. Jarvis, A. Gale, and C. Clayton. 1982. Litho- and biostratigraphical observations on the type sections of the Craie de Villedieu Formation (Upper Cretaceous, western France). Newsletters on Stratigraphy 11(2):64-82 [M. Patzkowsky/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3737: authorized by Mark Patzkowsky, entered by Karen Layou on 09.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Ammonoidea -
 Ammonitida - Placenticeratidae
Placenticeras syrtale Morton 1834 ammonite
 Ammonitida - Baculitidae
"Euhomaloceras incurvatum" = Baculites
"Euhomaloceras incurvatum" = Baculites ammonite
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Ostreida - Ostreidae
Ostreidae indet. Rafinesque 1815 oyster
originally entered as "Oysters indet."
 Pectinida - Limidae
Limatula sp. Wood 1839 file clam
Plagiostoma sp. Sowerby 1814 file clam
 Pectinida - Pectinoidae
 Pectinida - Neitheoidae
Neithea sp. Drouet 1824 scallop
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam
Cordiceramus ex gr. cordiformis Sowerby 1823 clam
originally entered as "Cordiceramus ex gr. cordiformis"
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
Cyclothyris sp. M'Coy 1844
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Asteroidea
  -
Asteroidea indet. de Blainville 1830 sea star
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
 Echinoneoida - Conulidae
Globator sp. Agassiz 1840 sea urchin
 Cassiduloida - Cassidulidae
Nucleopygus sp. Agassiz 1840 sea urchin
 Holasteroida - Holasteridae
Cibaster sp. Pomel 1883 sea urchin
 Salenioida - Saleniidae
Salenia sp. Gray 1835 sea urchin
originally entered as "Selenia sp."
Crinoidea
 Isocrinida - Isocrinidae
Isocrinus sp. von Meyer 1836 Sea lily
 Comatulida - Bourgueticrinidae
Bourgueticrinus sp. Orbigny 1840 Feather star
Calcarea
 Lithonida - Minchinellidae
Porosphaera sp. Steinmann 1878 calcareous sponge
 Ichnofossils -
Thalassinoides sp. Ehrenberg 1944