Bryozoan Community II, 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 Emsian to early Eifelian.

• formation-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 35896: authorized by Michael Foote, entered by Michael Foote on 08.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
Bivalvia
 Pectinida - Pterinopectinidae
Pseudaviculopecten sp. Newell 1938 scallop
 Ostreida - Pterineidae
"Ptychopteria (Actinopteria) sp." = Actinopteria
"Ptychopteria (Actinopteria) sp." = Actinopteria Hall 1884 oyster
 Modiomorphida - Modiomorphidae
Goniophora sp. Phillips 1848 clam
Gastropoda
 Euomphalina - Platyceratidae
Platyceras sp. Conrad 1840 snail
"Platyostoma sp." = Platyceras (Platyostoma) Conrad 1842 snail
Stenolaemata
 Cystoporida - Hexagonellidae
Coscinium sp. Keyserling 1846
 Cystoporata -
unclassified
  -
Echinodermata indet. Klein 1754
pelmatozoans
Strophomenata
 Productida -
Chonetidina indet. Muir-Wood 1955
 Strophomenida -
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Rhynchonellata
 Athyridida - Athyrididae
 Terebratulida - Centronellidae
 Spiriferida - Acrospiriferidae
Acrospirifer sp. Wedekind 1926
 Spiriferida - Hysterolitidae
Fimbrispirifer sp. Cooper 1942
 Atrypida - Atrypidae
Atrypa sp. Dalman 1828
Anthozoa
 Favositida - Favositidae
cf. Favosites sp. Lamarck 1816 tabulate coral
 Favositida - Pachyporidae
"cf. Trachypora sp." = Thamnoptychia
"cf. Trachypora sp." = Thamnoptychia Hall 1876 tabulate coral
 Rugosa -
Rugosa indet. horn coral
 Stauriida - Streptelasmatidae
cf. Homalophyllum sp. Simpson 1900 horn coral
 Stauriida - Zaphrentidae
"cf. Zaphrentis sp." = Zaphrenthis
"cf. Zaphrentis sp." = Zaphrenthis Rafinesque and Clifford 1820 horn coral