Gateway to the Paleobiology Database
Soriano (Cretaceous of Uruguay)

Where: Soriano, Uruguay (33.4° S, 58.3° W: paleocoordinates 37.3° S, 41.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Mercedes Formation, Senonian (89.3 - 66.0 Ma)

• Specimens collected from two straigraphic levels. First one is 60 cm thick and the second is 150 cm above the first.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, bioturbated, fine-grained, medium, cherty/siliceous sandstone

• Fine- to medium-grained sandstone, regular sorting, quartzitic, with clayey siliceous cement, massive, an rose colored.

Size class: macrofossils

Preservation: permineralized, replaced with silica

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

• Discovered by K.F. Hirsch, J. Bonaparte, J. Montana, J. Bossi, I. Ford and F. Gancio.

Primary reference: G. Faccio. 1994. Dinosaurian eggs from the Upper Cretaceous of Uruguay. In K. Carpenter, K. F. Hirsch & J. R. Horner (eds.), Dinosaur Eggs and Babies 47-55 [M. Carrano/K. Maguire/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 52092: authorized by Matthew Carrano, entered by Kaitlin Maguire on 21.07.2005

Creative Commons license: CC BY (attribution)