Also known as Lapparent site 20

Where: Agadez, Niger (16.8° N, 6.9° E: paleocoordinates 6.8° N, 2.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Irhazer Shales Formation (Irhazer Group), Early/Lower Berriasian to Early/Lower Berriasian (145.0 - 136.4 Ma)

• "Irazer clays" belong to the lower part of the "Continental Intercalaire"

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; red claystone and sandstone

Size class: macrofossils

Collected by Lapparent, Greigert & Joulia in 1946

Collection methods: quarrying, mechanical,

Primary reference: A. F. d. Lapparent. 1958. Sur les Dinosauriens du "Continental intercalaire" du Sahara central [On the dinosaurs of the "Continental Intercalaire" of the central Sahara]. Comptes Rendus de l'Académie des Sciences à Paris 246:1237-1240 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 25223: authorized by Matthew Carrano, entered by Matthew Carrano on 03.09.2002

Creative Commons license: CC BY (attribution)