Where: Venezuela (8.6° N, 71.2° W: paleocoordinates 54.7° S, 86.5° W)

• coordinate based on political unit

• basin-level geographic resolution

When: El Horno Formation, Llandovery (443.4 - 433.4 Ma)

• see Boucot et al. 1972--PBDB ref. 7026. This was originally part of the Caparo Formation, but that is now restricted to the Sandbian.

• formation-level stratigraphic resolution

Environment/lithology: marine; argillaceous sandstone

Size class: macrofossils

Primary reference: A. J. Boucot, J. L. Benedetto, Y. Grahn, J. H. G. Melo, T. M. Sanchez and B. A. Waisfeld. 1999. South American marine Silurian communities. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 841-848 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 25068: authorized by Michael Foote, entered by Michael Foote on 27.08.2002

Creative Commons license: CC BY (attribution)