La Leña Creek (Ordovician of Argentina)

Also known as Quebrado La Leña

Where: La Rioja, Argentina (28.8° S, 67.9° W: paleocoordinates 37.2° S, 131.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Paroistodus originalis conodont zone, Molles Formation (Famatina Group), Arenig (478.6 - 466.0 Ma)

• Given as "Middle" but we do not recognize that term. The Paroistodus orginalis biozone is Late Arenig in Harland et al., but we do not recognize "Late Arenig" either!

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Collection methods: The material is deposited in the Chair of Stratigraphy and Historical Geology of the National University of Cordova

Primary reference: T. M. Sánchez. 2001. Moluscos bivalvos de la Formación Molles (Arenigiano medio), sierra de Famatina, Argenitna. Ameghiniana 38(2):185-193 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49049: authorized by Pete Wagner, entered by Pete Wagner on 06.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Ambonychiidae
Notonychia emmae n. gen. n. sp.
Notonychia emmae n. gen. n. sp. Sánchez 2001 clam
type locality
 Modiomorphida - Modiomorphidae
Colpomya elongata n. sp. Sánchez 2001 clam
type locality