Tongobury: Bed 3-22 (Cretaceous of Madagascar)

Where: Madagascar (23.5° S, 44.2° E: paleocoordinates 42.3° S, 34.5° E)

• coordinate based on nearby landmark

When: Early/Lower Coniacian (89.3 - 85.8 Ma)

• group of beds-level stratigraphic resolution

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

• strongly cemented, greyish-green 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 46613: authorized by Linda Ivany, entered by Patrick Wall on 20.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Collignoniceratidae
"Barroisiceras onilahyense" = Barroisiceras (Barroisiceras) onilahyense
"Barroisiceras onilahyense" = Barroisiceras (Barroisiceras) onilahyense Basse 1947 ammonite
 Ammonitida - Kossmaticeratidae
Marshallites cumshewaensis Whiteaves 1884 ammonite
Bivalvia
 Myalinida - Inoceramidae