Southeastern flank of Cerro Nortero, lower Bonete Fm, Sierra de las Tunas (Permian of Argentina)

Where: Argentina (38.0° S, 61.8° W: paleocoordinates 53.0° S, 55.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bonete Formation (Pillahuinco Group), Sakmarian (293.5 - 290.1 Ma)

• Lower part of the Bonete Formation

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, green mudstone and lithified, green quartzite

• alternation of massive, fine grained, light green quartzite and massive, dark green mudstone; 19 quartzite beds and 19 mudstones in type locality

Size class: macrofossils

Collection methods: Repository: Department of Geology, University of Buenos Aires

Primary reference: H. J. Harrington. 1955. The Permian Eurydesma fauna of eastern Argentina. Journal of Paleontology 29(1):112-128 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91636: authorized by Linda Ivany, entered by Linda Ivany on 09.10.2009, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Ostreida - Pterineidae
"Liopteria bonaerensis n. sp." = Leptodesma (Leiopteria) bonaerensis, "Liopteria dutoiti n. sp." = Leptodesma (Leiopteria) dutoiti
"Liopteria bonaerensis n. sp." = Leptodesma (Leiopteria) bonaerensis Harrington 1955 oyster
"Liopteria dutoiti n. sp." = Leptodesma (Leiopteria) dutoiti Harrington 1955 oyster
 Myalinida - Atomodesmatidae
Aphanaia orbirugata
Aphanaia orbirugata Harrington 1955 clam
 Trigoniida - Schizodidae
Schizodus cycloliratus n. sp.
Schizodus cycloliratus n. sp. Harrington 1955 clam
 Cardiidia - Sanguinolitidae
"Stutchburia argentinensis" = Myonia argentinensis
"Stutchburia argentinensis" = Myonia argentinensis Harrington 1955 clam