Late Emsian/Eifelian Loc. 24 of Melo: Cajari River, station JWB250-AP (Devonian to of Brazil)

Where: Amapa, Brazil (0.5° S, 52.0° W)

• Paleocoordinates: 59.8° S, 34.2° W (Wright 2013)

• coordinate estimated from map

• local area-level geographic resolution

When: Maecuru Formation, Emsian to Emsian (410.6 - 387.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; sandstone and bioturbated siltstone

• Deposition reflects deepening. See lithology description.
• "The Maecuru Fm. of Emsian/Eifelian age is composed by the Jatapu and Lontra members...Jatapu [consists of] bioturbated silty/shaly layers and argillaceous sandstones...Fluvial sandstones and conglomerates are the main constituents of the Lontra unit. However, locally on the N flank and throughout the subsurface the uppermost Lontra sediments are shallow marine "tempestites", i.e. hummocky cross-stratified sandstones containing the well known Devonian invertebrate fauna recorded by pioneer workers from outcrops of the Maecuru and Curua rivers."

Primary reference: J. H. G. Melo. 1988. The Malvinokaffric realm in the Devonian of Brazil. In N. J. McMillan, A. F. Embry, D. J. D. J. Glass (eds.), Devonian of the World, Volume I 669-703 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 37136: authorized by Michael Foote, entered by Michael Foote on 03.03.2004

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Tentaculita
  - Tentaculitidae
Tentaculites sp.
Tentaculites sp. von Schlotheim 1820
Bivalvia
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
 Ostreida - Pterineidae
"Ptychopteria (Actinopteria) sp." = Actinopteria
"Ptychopteria (Actinopteria) sp." = Actinopteria Hall 1884 oyster
Strophomenata
 Strophomenida - Leptostrophiidae
Protoleptostrophia sp.
 Orthotetida - Schuchertellidae
"Schuchertella" sp.
 Productida -
"Chonetacea "gen.nov. A"" = Chonetoidea
"Chonetacea "gen.nov. A"" = Chonetoidea Bronn 1862
Rhynchonellata
 Spiriferida - Acrospiriferidae
? Acrospirifer sp.
? Acrospirifer sp. Wedekind 1926
 Spiriferida - Ambocoeliidae
Plicoplasia sp.
  - Tropidoleptidae
? Tropidoleptus sp.
 Terebratulida - Meganterididae
? Podolella sp., ? Derbyina sp.
? Podolella sp.
"possibly Cranaena"
Artiopoda
  -
Trilobita indet.
Trilobita indet. Walch 1771 trilobite
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily