Hontarede unit, Campanian, Tercis (Cretaceous of France)

Where: France (43.7° N, 1.1° W: paleocoordinates 33.8° N, 1.4° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Hontarède Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, glauconitic, cherty/siliceous limestone

• Glauconitic limestone, dark flint at the top

Size classes: macrofossils, mesofossils, microfossils

Collection methods: bulk, quarrying, surface (float), surface (in situ), chemical, mechanical, sieve,

Primary reference: G.S. Odin. 2001. The Campanian-Maastrichtian stage boundary. Development in Palaeontology and Stratigraphy 19:1-881 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 38808: authorized by Loic Villier, entered by Loic Villier on 05.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
Neithea quinquecostata3 Sowerby 1814 scallop
Mimachlamys cretosa3 Defrance 1822 scallop
 Ostreida - Gryphaeidae
Pycnodonte vesicularis3 Lamarck 1806 oyster
 Ostreida - Ostreidae
Rastellum sp.3 Faujas-St.-Fond 1799 oyster
 Cardiida - Cardiidae
Cardium sp.3 Linnaeus 1758 cockle
two distinct species identified as sp. 1 and sp. 2
 Lucinida - Lucinidae
Cephalopoda
 Ammonitida - Pachydiscidae
Pachydiscus sp. Zittel 1884 ammonite
Pachydiscus oldhami4 Sharpe 1855 ammonite
Asteroidea
 Valvatida - Stauranderasteridae
Hadranderaster sp.5 Spencer 1907 sea star
 Valvatida - Goniasteridae
Metopaster sp.5 Sladen 1893 sea star
Echinoidea
 Spatangoida - Echinocoridae
Echinocorys fonticola2 heart urchin
 Calycina - Phymosomatidae
Phymosoma sp.2 Haime 1853 sea urchin
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
Cyclothyris "globata"1 Arnaud 1877