Pas de Gasaille, Ariége (Cretaceous of France)

Where: France (43.0° N, 1.5° E: paleocoordinates 32.9° N, 3.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Didymoceras stevensoni ammonoid zone, Late/Upper Campanian (83.5 - 70.6 Ma)

• STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit. AGE: Late Campanian, on the basis of ammonoid biostratigraphy; Didymoceras stevensoni zone. STRATIGRAPHIC POSITION: From unknown position with 35 thick section.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, micaceous, blue, silty marl and lithified limestone

• ENVIRONMENT: Carbonate marine setting.
• SPECIFIC LITHOLOGY: Possibly from multiple lithologies, including blue, silty, micaceous marls, silty marls, limestones. LITHIFICATION: Lithified, on the basis of figured specimens and taphonomic description.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Pouch, Kennedy & Bilotte

Collection methods: surface (in situ),

• COLLECTOR: J.-J. Pouch (mid-1800's), and more recent Kennedy & Bilotte. REPOSITORY: Collége Hean XXIII at Palmiers, Ariége.

Primary reference: W. J. Kennedy and M. Bilotte. 1995. A new ammonite fauna from the sub-Pyrenean Campanian (Upper Cretaceous). Geobios 28(3):359-370 [A. Hendy/A. Hendy/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 82889: authorized by Austin Hendy, entered by Austin Hendy on 03.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoidea, and limited to representive forms of other groups. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identification.
Cephalopoda
 Ammonitida - Nostoceratidae
Didymoceras stevensoni Whitfield 1877 ammonite
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus ubaghsi de Groussouvre 1894 ammonite
 Ammonitida - Tetragonitidae
Saghalinites sp. Wright and Matsumoto 1954 ammonite
 Ammonitida - Kossmaticeratidae
Pseudokossmaticeras brandti Redten bacher 1873 ammonite
 Ammonitida - Pachydiscidae
"Pachydiscus (Pachydiscus) subrobustus" = Pachydiscus subrobustus
"Pachydiscus (Pachydiscus) subrobustus" = Pachydiscus subrobustus Seunes 1892 ammonite
Bivalvia
 Myalinida - Inoceramidae
Anthozoa
 Scleractinia - Caryophylliidae
Trochocyathus sp. Milne-Edwards and Haime 1848 stony coral
 Scleractinia - Cunnolitidae
"Cyclolites sp." = Cunnolites
"Cyclolites sp." = Cunnolites Gagnebin 1772 stony coral