Bardas Blancas (Jurassic of Argentina)

Also known as Reef 569

Where: Mendoza, Argentina (35.8° S, 69.8° W: paleocoordinates 32.9° S, 32.3° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: La Manga Formation, Oxfordian (163.5 - 157.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope or ramp reef; lithified reef rocks and lithified wackestone

• domal reef patches (18 m thick, 20 m across) along the inner ramp margin
• reef framework coral mixstones, bioclastic wackestone-packstone

Size classes: macrofossils, mesofossils

Primary reference: R. M. Palma, D. A. Kietzmann, S. Adamonis and J. Lopez Gomez. 2009. Oxfordian reef architecture of the La Manga Formation, Neuquen Basin, Mendoza Province, Argentina. Sedimentary Geology 221:127-140 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 98351: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.10.2010, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida -
Plegiocidaris sp. Pomel 1883 pencil urchin
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
Gastropoda
 Sorbeoconcha - Naticidae
Natica sp. Scopoli 1777 moon snail
 Sorbeoconcha - Aporrhaidae
Harpagodes sp. Gill 1870 snail
Bivalvia
 Pectinida - Limidae
Ctenostreon sp. Eichwald 1862 file clam
 Ostreida - Gryphaeidae
Gryphaeidae indet. Vialov 1936 oyster
Anthozoa
 Scleractinia - Actinastreidae
Actinastrea sp. d'Orbigny 1849 stony coral
reidentified as Stelidioseris sp.
 Scleractinia - Acroporidae
Etallonasteria cf. minima Etallon 1864 stony coral
was Thamnasteria sp.
 Scleractinia - Guembelastraeidae
Garateastrea sp. Morsch 1996 stony coral
 Scleractinia - Stylinidae
Australoseris sp. Morsch 1990 stony coral
Australoseris cf. radialis Morsch 1990 stony coral
platy to domal
unclassified
  -
Porifera indet. Grant 1836
Cyanophyceae
  -
Cayeuxia sp. Frollo 1938
Chlorophyceae
 Dasycladales -
Acicularia sp. d'Archiac 1843
 Dasycladales - Dasycladaceae