Tongobury: inoceramid/ammoid Bed 1 (Cretaceous of Madagascar)

Where: Toliara, Madagascar (23.6° S, 44.3° E: paleocoordinates 42.8° S, 34.0° E)

• coordinate based on nearby landmark

When: Late/Upper Turonian (93.5 - 89.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, calcareous sandstone

• 30-50 cm thick bed of grey, strongly cemented calcareous sandstone

Size class: macrofossils

Primary reference: I. Walaszczyk, R. Marcinowski, T. Praszkier, K. Dembicz, and M. Bienkowska. 2004. Biogeographical and stratigraphical significance of the latest Turonian and Early Coniacian inoceramid/ammonite succession of the Manasoa section on the Onilahy River, south-west Madagascar. Cretaceous Research 25:543-576 [L. Ivany/P. Wall/P. Wall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 46608: authorized by Linda Ivany, entered by Patrick Wall on 20.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Cephalopoda
 Ammonitida - Collignoniceratidae
"Barroisiceras onilahyense" = Barroisiceras (Barroisiceras) onilahyense
"Barroisiceras onilahyense" = Barroisiceras (Barroisiceras) onilahyense Basse 1947 ammonite
 Ammonitida - Pachydiscidae
 Ammonitida - Kossmaticeratidae
 Ammonitida - Scaphitidae
Scaphites (Scaphites) kieslingswaldensis Langenhan and Grundey 1891 ammonite
 Ammonitida - Diplomoceratidae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Myalinida - Inoceramidae