Arroyo Malo, Atuel River, Mendoza, Argentina (Jurassic of Argentina)

Where: Mendoza, Argentina (34.8° S, 69.8° W: paleocoordinates 39.0° S, 28.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hettangian (201.3 - 199.3 Ma)

• microfossils from beds 1395, 1399, and 1401

• group of beds-level stratigraphic resolution

Environment/lithology: marine; black, gray mudstone

• Los microfosiles provienen de fangolitas de color gris negruzco del tercio inferior del perfil Arroyo Malo (as interpreted by enterer: the microfossils come from grey-black mudstones from the bottom third of the profile (section) at Arroyo Malo)

Size class: mesofossils

Preservation: replaced with pyrite

Collection methods: collection housed at la Division Paleozoologia Invertebrados del Museo de Ciencias Naturales de La Plata (Argentina) MLP-Mi 702-713

Primary reference: S.C. Ballent. 1992. Metacopina (Ostracoda) del Hettangiano superior en el sudoeste de la provincia de Mendoza, Argentina. Ameghiniana 29(2):153-157 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 33326: authorized by Arnold Miller, entered by Karen Layou on 25.07.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ostracoda
 Podocopida - Healdiidae
Ogmoconchella ellipsoidea
Ogmoconchella ellipsoidea Jones 1872 ostracod
1 specimen = 1 carapace, adults and juveniles