Rio Valegra (Devonian of Colombia)

Where: Colombia (8.0° N, 73.0° W: paleocoordinates 48.0° S, 48.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Rio Chitagá Formation, Givetian (387.7 - 382.7 Ma)

• Middle Devonian is resting unconformably on basement. Collection is from 180 m above contact. Formation from Pastor-Chacón, Reyes-Abril, Cáceres-Guevara, Sarmiento & Cramer 2013.

• member-level stratigraphic resolution

Environment/lithology: marine; shale

• "dark shales [pelites sombres], not metamorphosed"

Size class: macrofossils

Primary reference: T. Boinet, C. Babin, J. Broutin, H. Lardeux, D. Pons and P. Racheboeuf. 1986. Les grandes etapes de l'evolution paleozoique du Massif de Santander (Andes de Colombie): signification de la discordance du Devonian moyen. Comptes Rendus de l'Academie des Sciences de Paris, Serie II 303(8):707-712 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 35983: authorized by Michael Foote, entered by Michael Foote on 12.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Strophomenata
 Strophomenida - Eodevonariidae
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Rhynchonellata
 Spiriferida - Mucrospiriferidae
Tentaculita
 Volynitida - Turmalitidae
cf. Lonchidium sp. D'Eichwald 1860