Barra los Tanques (Triassic of Mexico)

Where: Sonora, Mexico (30.4° N, 112.9° W: paleocoordinates 11.9° N, 54.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Antimonio Formation, Norian (228.0 - 208.5 Ma)

• middle part of the formation

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone and lithified, calcareous sandstone

• thick-bedded bioclastic limestone, subordinate fine-grained calcareous sandstone, massive interval of bioclastic limestone with reefy intervals of branched corals in the upper part

Size class: macrofossils

Primary reference: B. Senowbari-Daryan, G. D. Stanley, Jr., and C. Gonzalez-Leon. 2001. A new Triassic sponge from the Antimonio terrane, Sonora, Mexico. Journal of South American Earth Sciences 14:447-452 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100116: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Demospongiae
 Verticillitida - Verticillitidae
Fanthalamia glomerata n. sp., Fanthalamia polystoma
Fanthalamia glomerata n. sp. Senowbari-Daryan et al. 2001 demosponge
Fanthalamia polystoma Seilacher 1962 demosponge
Anthozoa
 Scleractinia - Microsolenidae
"Spongiomorpha ramosa" = Eocomoseris ramosa
"Spongiomorpha ramosa" = Eocomoseris ramosa Frech 1890 stony coral
 Scleractinia - Actinastreidae
Chondrocoenia waltheri
Chondrocoenia waltheri Frech 1890 stony coral
 Scleractinia - Reimaniphylliidae
Retiophyllia cf. opelli
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
Echinoidea
  -
Echinoidea indet.
Echinoidea indet. Leske 1778 sea urchin