Sample MT8, Ocana section (Devonian to of Colombia)

Where: Colombia (8.3° N, 73.4° W: paleocoordinates 49.8° S, 47.6° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Emsian to Emsian (407.6 - 387.7 Ma)

• Age range from PBDB ref. 9639. About 410 m above base of section.

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, red mudstone

• interpreted as offshore, possibly dysoxic
• "sparsely gray to maroon mudstone, laminated to thin-bedded"

Collection methods: bulk

Primary reference: S. F. Barrett. 1986. Paleoecology and stratigraphy of Devonian sediments in the northern Andes, Colombia: paleogeographic implications [Unpublished Ph.D. thesis, University of Chicago]. 1-329 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 35888: authorized by Michael Foote, entered by Michael Foote on 08.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Barrett (ref. 9602) gives a detailed faunal list for his entire dissertation, generally down to the species level. The individual samples, however, are presented in his fig. 24 in a form that coarsens the taxonomic resolution to the genus level or even higher. It seems that the brachiopods are more likely to be reported to the genus level.
Show authors, comments, and common names
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Bivalvia
 Autobranchia -
Pterioida indet.
Pterioida indet. Newell 1965 clam
Rhynchonellata
 Rhynchonellida -
Rhynchonellida indet.
 Spiriferida - Elythidae
"Elytha sp." = Elita
"Elytha sp." = Elita
 Atrypida - Atrypidae
Atrypa sp.
Atrypa sp. Dalman 1828
 Athyridida - Nucleospiridae
Nucleospira sp.
Nucleospira sp. Hall 1859
 Spiriferinida - Cyrtinidae
Cyrtina sp.
Cyrtina sp. Davidson 1858
 Terebratulida - Cryptonellidae
? Cryptonella sp.
Strophomenata
 Strophomenida - Chonostrophiidae
Chonostrophia sp.
Stenolaemata
 Cryptostomata - Fenestellidae
Fenestellidae indet.
Trilobita
 Phacopida - Phacopidae
Phacopidae indet.
Phacopidae indet. Hawle and Corda 1847 trilobite