Lindero Fm., Ponon-Trehue and Chinches, Argentina (Ordovician of Argentina)

Where: Argentina (35.0° S, 68.0° W: paleocoordinates 31.6° S, 135.8° W)

• local area-level geographic resolution

When: Lindero Formation, Middle Ordovician (470.0 - 458.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, shelly/skeletal, gray, calcareous limestone and conglomerate

• blue-gray limestone intercalated with calcareous sandstone and conglomerate lumachelae and occ. shale

Collection methods: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete

Primary reference: E. Nunez. 1962. Paleozoico inferior fosilifero en el Bloque de San Juan. Anales de las Primeras Jornadas Geologicas Argentinas 2:185-189 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 9031: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Nunez, 1962 has general biostrat.; Garcia, et al., 1974 has ostracod taxonomy
unclassified
  -
Lingulata
 Lingulida - Obolidae
Obolus sp. Eichwald 1829
Strophomenata
 Strophomenida - Taffiidae
Taffia sp. Butts 1926
Trilobita
 Trinucleida - Raphiophoridae
Lonchodomas sp. Angelin 1854 trilobite
Ostracoda
 Leperditellocopida - Aparchitidae
 Hollinocopida - Tvaerenellidae
Tvaerenella sp. Jaanusson 1957 ostracod
 Hollinocopida - Euprimitiidae
? Primitiella sp. Ulrich 1894 ostracod
 Leperditicopida - Leperditiidae
Eoleperditia sp. Swartz 1949 ostracod
Anisochilina sp. Teichert 1937 ostracod
 Leperditicopida - Isochilinidae
? Isochilina sp. Jones 1858 ostracod
 Platycopida - Paraparchitidae
Proparaparchites sp. Cooper 1941 ostracod
Chamishaella sp. Sohn 1971 ostracod
? Paraparchites sp. Ulrich and Bassler 1906 ostracod
 Platycopida - Coelonellidae
Coelonella sp. Stewart 1936 ostracod