Hocmont, Calcaires pseudo-oolithiques inferieurs (Jurassic of France)

Where: Champagne-Ardenne, France (49.7° N, 4.6° E: paleocoordinates 39.7° N, 14.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Calcaires pseudo-oolithiques inferieurs Formation, Middle Bathonian (167.7 - 164.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, ooidal, shelly/skeletal, muddy packstone

• sponge reef talus

Size classes: macrofossils, mesofossils, microfossils

Primary reference: J. -C. Fischer. 1969. Geologie, Paleontologie et Paleoecologie du Bathonien au sud-ouest du Massif Ardennais. Memoires du Museum National D'Histoire Naturelle, Nouvelle Serie, Serie C, Sciences de la terre 20:1-319 [R. Krause/R. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96166: authorized by Rich Krause, entered by Rich Krause on 19.05.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Arcidae
Eonavicula minuta Sowerby 1824 clam
 Arcida - Parallelodontidae
Parallelodon hirsonensis d'Archiac 1843 clam
 Arcida - Limopsidae
Limopsis minima Sowerby 1824 clam
 Ostreida - Ostreidae
Lopha costata Sowerby 1825 oyster
 Mytilida - Mytilidae
Brachidontes asper Sowerby 1818 mussel
Lithophaga fabella Eudes-Deslongchamps 1838 mussel
 Pholadida - Ceratomyidae
Ceratomya concentrica Sowerby 1822 clam
Ceratomya striata Sowerby 1815 clam
 Pholadida - Pleuromyidae
Pleuromya calceiformis Phillips 1875 clam
 Cardiida - Corbiculidae
Eocallista antiopa d'Orbigny 1850 clam
 Cardiida - Cardiidae
Protocardia stricklandi Morris and Lycett 1853 cockle
 Cardiida - Pterocardiidae
Pterocardia pesbovis d'Archiac 1843 clam
 Lucinida - Lucinidae
Fimbria lajoyei d'Archiac 1843 clam
 Trigoniida - Myophorelloidae
 Trigoniida - Trigoniidae
Trigonia pullus Sowerby 1826 clam