Sierra Agua Verde, encrinite (Carboniferous of Mexico)

Where: Sonora, Mexico (29.4° N, 109.9° W: paleocoordinates 4.3° S, 44.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: La Joya Formation, Westphalian D (311.4 - 306.9 Ma)

• 100 m thick section, Late Atokan

•JA: entered as Atokan, but "early Late Moscovian" = Westphalian D is a more precise age call

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified grainstone and lithified packstone

• crinoidal grainstones and packstones which are intercalated with nodular cherts, calcareous siltstones and a Chaetetes reef mound (PBDB coll. 76169)

Size classes: macrofossils, mesofossils, microfossils

Collection methods: peel or thin section,

Primary reference: B. E. Buitron-Sanchez, C. Gomez-Espinosa, E. Almazan-Vazquez and D. Vachard. 2007. A Late Atokan regional encrinite (early Late Moscovian, Middle Pennsylvanian) in the Sierra Agua Verde, Sonora state, NW Mexico. in J. J. Alvaro, M. Aretz, F. Boulvain, A. Munnecke, D. Vachard, E. Vennin, eds., Palaeozoic reefs and bioaccumulations: climatic and evolutionary controls. Geological Society Special Publication 275:201-209 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 76170: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.11.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Fusulinina
 Fusulinoidea - Schubertellidae
 Fusulinoidea - Staffellidae
 Fusulinoidea - Eostaffellidae
 Fusulinoidea - Pseudostaffellidae
Pseudostaffella sp. Thompson 1942
 Fusulinoidea - Fusulinidae
 Earlandiacea - Tuberitinidae
 Endothyroidea - Endothyridae
 Palaeotextularoidea - Biseriamminidae
 Palaeotextularoidea - Palaeotextulariidae
Insolentitheca
  -
Gastropoda
 Euomphalina - Euomphalidae
Euomphalus sp. Sowerby 1814 snail
 Heterostropha - Donaldinidae
cf. Donaldina robusta Stevens 1858 snail
Crinoidea
  -
Rhynchonellata
 Spiriferida - Spiriferidae
Spirifer sp. Sowerby 1818
Anthozoa
 Favositida - Micheliniidae
Michelinia sp. de Koninck 1841 tabulate coral
 Stauriida - Lophophyllidiidae
Lophophyllidium sp. Grabau 1928 horn coral
Demospongea
 Chaetetida - Chaetetidae
Chaetetes sp. Fischer von Waldheim 1829 demosponge
Bryopsidophyceae
 Caulerpales - Halimedaceae
Eugonophyllum sp. Konishi and Wray 1961
Dasycladophyceae
 Dasycladales - Beresellaceae
Rhodophyceae
  - Solenoporaceae