Leptocoelia-Acrospirifer Comm., Cano Grande Fmn., Sierra de Perija (Devonian of Venezuela)

Where: Venezuela (10.5° N, 72.5° W: paleocoordinates 16.6° S, 66.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Cano Grande Formation (Rio Cachira Group), Pragian (410.8 - 407.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; sandstone and micaceous shale

• Unit interpreted as shallow marine deposit (playa y llanura de marea). Overall sequence is interpreted as transgressive-regressive cycle related to prograding delta complex.
• "Areniscas cuarzosas entrecruzadas con coquinas, intercalades con lutitas micaceas"

Collection methods: Abundances are given by authors.

Primary reference: T. M. Sanchez and J. L. Benedetto. 1983. Paleoecologia, comunidades bentonicas y sucesion paleoambiental en el Grupo Rio Cachiri, Devonico, Sierra de Perija, Venezueal. Ameghiniana 20(3-4):163-198 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 35894: authorized by Michael Foote, entered by Michael Foote on 08.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Echinodermata indet.
Echinodermata indet. Klein 1754
pelmatozoan columnals
Strophomenata
 Strophomenida - Leptostrophiidae
Leptostrophia sp.
Leptostrophia sp. Hall and Clarke 1892
Rhynchonellata
 Spiriferinida - Cyrtinidae
Cyrtina sp.
Cyrtina sp. Davidson 1858
  - Tropidoleptidae
Tropidoleptus sp.
 Orthida - Platyorthidae
Platyorthis sp.
 Spiriferida - Elythidae
Elita sp.
 Spiriferida - Acrospiriferidae
Costispirifer sp., Acrospirifer sp.
Costispirifer sp. Copper 1942
Acrospirifer sp. Wedekind 1926
 Athyridida - Meristellidae
Meristella sp.
 Terebratulida - Centronellidae
Beachia sp., Prionothyris sp.
 Rhynchonellida - Leptocoeliidae
Leptocoelia sp.