Bryozoan Community I, Cano Grande Fmn., Sierra de Perija (Devonian to of Venezuela)

Where: Venezuela (10.5° N, 72.5° W: paleocoordinates 49.2° S, 44.0° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Cano Grande Formation (Rio Cachira Group), Emsian to Emsian (407.6 - 387.7 Ma)

• This part of section interpreted as late Emsian to early Eifelian.

• member-level stratigraphic resolution

Environment/lithology: marine; calcareous mudstone

• Unit interpreted as open platform. Overall sequence is interpreted as transgressive-regressive cycle related to prograding delta complex.
• "Lodolitas calcareas biostromales"

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 35895: authorized by Michael Foote, entered by Michael Foote on 08.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida -
Phacopida indet. Salter 1864 trilobite
 Phacopida - Homalonotidae
Homalonotidae indet. Chapman 1890 trilobite
 Lichida - Lichidae
Lichidae indet. Hawle and Corda 1847 trilobite
Ostracoda
  -
Ostracoda indet. Latreille 1802 ostracod
Polychaeta
 Sabellida - Serpulidae
? Serpula sp. Linnaeus 1758
Bivalvia
 Pectinida - Pterinopectinidae
Pterinopectinidae indet. Newell 1938 scallop
 Carditida - Cardiniidae
Cypricardinia sp. Hall 1860 clam
Gastropoda
 Euomphalina - Platyceratidae
"Platyostoma sp." = Platyceras (Platyostoma)
"Platyostoma sp." = Platyceras (Platyostoma) Conrad 1842 snail
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Stenolaemata
 Cystoporata -
unclassified
  -
Echinodermata indet. Klein 1754
pelmatozoans
Strophomenata
 Productida - Anopliidae
 Productida - Chonetidae
 Productida - Eodevonariidae
Eodevonaria sp. Twenhofel 1914
 Orthotetida - Pulsiidae
 Strophomenida - Douvillinidae
Cymostrophia sp. Caster 1939
 Strophomenida - Leptostrophiidae
Leptostrophia sp. Hall and Clarke 1892
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Rhynchonellata
 Athyridida - Retziidae
Retziidae indet. Waagen 1883
 Athyridida - Meristellidae
 Spiriferinida - Cyrtinidae
Cyrtina sp. Davidson 1858
 Spiriferida - Ambocoeliidae
 Spiriferida - Mucrospiriferidae
Mucrospirifer sp. Grabau 1931
 Spiriferida - Acrospiriferidae
Acrospirifer sp. Wedekind 1926
 Spiriferida - Cyrtinopsidae
Kozlowskiellina sp. Boucot 1958
 Spiriferida - Hysterolitidae
 Spiriferida - Elythidae
 Atrypida - Atrypidae
Atrypa sp. Dalman 1828
 Orthida - Rhipidomellidae
Anthozoa
 Favositida - Micheliniidae
Pleurodictyum sp. Goldfuss 1829 tabulate coral