Espibos, Gaas (Oligocene of France)

Where: Landes, France (43.6° N, 1.1° W: paleocoordinates 43.1° N, 4.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: SBZ21 foram zone, Calcaire à Astéries Formation, Rupelian (33.9 - 28.1 Ma)

• Section described in Janssen (1985a), some samples refer to bed numbers in that paper. SBZ21 zone (larger foraminifera; Cahuzac & Poignant, 1997) and Sr estimated age 31.6 Ma.

• formation-level stratigraphic resolution

Environment/lithology: unlithified, gray marl and calcareous sandstone

• Infralittoral facies.
• shelly grey marls and calcareous sands

Size class: macrofossils

Preservation: original aragonite

Reposited in the MNHN

• COLLECTORS: Unknown. REPOSITORY: MNHN, Paris.

Primary reference: B. Cahuzac and A. W. Janssen. 2010. Eocene to Miocene holoplanktonic Mollusca (Gastropoda) of the Aquitaine Basin, southwest France. Scripta geologica 141:1-193 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176463: authorized by Pete Wagner, entered by Pete Wagner on 13.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to some families of Gastropoda. NOMENCLATURE: Authoritive publication with species level assignments.
Gastropoda
 Neogastropoda - Melongenidae
Volema tarbeliana6 snail
Volema tarbeliana pyrulata
 Neogastropoda - Harpidae
 Stromboidea - Strombidae
Persististrombus radix4 Brongniart 1823 true conch
 Stromboidea - Seraphsidae
Seraphs subconvolutus1 d'Orbigny 1852 snail
 Cypraeoidea - Cypraeidae
Proadusta bitruncata n. sp.3 Fehse 2010 cowry
Proadusta parvissima n. sp.2 Dolin and Lozouet 2004 cowry
Proadusta camiadorum n. sp.2 Dolin and Lozouet 2004 cowry
Proadusta distorta n. sp.2 Dolin and Lozouet 2004 cowry
Proadusta gemmosa n. sp.2 Dolin and Lozouet 2004 cowry
Proadusta rostralina n. sp.2 Dolin and Lozouet 2004 cowry
Proadusta elliptica n. sp.2 Dolin and Lozouet 2004 cowry
Praerosaria espibosensis n. sp.2 Dolin and Lozouet 2004 cowry
Praerosaria amoenacea n. sp.2 Dolin and Lozouet 2004 cowry
Praerosaria pseudorugosa n. sp.2 Dolin and Lozouet 2004 cowry
Praerosaria paulonaria n. sp.2 Dolin and Lozouet 2004 cowry
Praerosaria exflaveola2 Sacco 1894 cowry
Monetaria moneta2 Linnaeus 1758 cowry
Cypraeorbis vesicularis n. sp.2 Dolin and Lozouet 2004 cowry
Cypraeorbis gaasensis n. sp.2 Dolin and Lozouet 2004 cowry
 Tonnoidea - Ranellidae
 Tonnoidea - Personidae
 Tonnoidea - Cassidae
 Valvatoidea - Cornirostridae
 Turbinoidea - Turbinidae
Skenea subauriculata5 Lozouet 1998 snail
 Scissurelloidea - Scissurellidae
Sukashitrochus saubadae5 Lozouet 1998 snail