Rio Volcancito. 0-1 m. (Cambrian of Argentina)

Where: Argentina (28.9° S, 67.8° W: paleocoordinates 40.8° S, 127.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Parabolina (Neoparabolina) frequens argentina trilobite zone, Filo Azul Member (Volcancito Formation), Furongian (497.0 - 485.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; marl

• marls with parallel lamination

Size classes: macrofossils, mesofossils

Primary reference: M. F. Tortello and S. B. Esteban. 2007. Trilobites de la formación Volcancito (Miembro Filo Azul, Cámbrico tardío) del sistema de Famatina, la Rioja, Argentina: Aspectos sistemáticos y paleoambientales. Ameghiniana 44(3):597-620 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 235392: authorized by Pete Wagner, entered by Pete Wagner on 04.07.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Remopleurididae
 Asaphida - Ceratopygidae
Onychopyge riojana Harrington 1938 trilobite
 Asaphida - Asaphidae
Asaphellus riojanus Harrington and Leanza 1957 trilobite
 Ptychopariida - Shumardiidae
Conophrys sp. Callaway 1877 trilobite
 Olenida - Olenidae
Plicatolina scalpta Harrington and Leanza 1957 trilobite
Angelina cf. hyeronimi Kayser 1876 trilobite
Parabolina (Neoparabolina) frequens Barrande 1868 trilobite
 Corynexochida - Leiostegiidae
Bodenbenderia longifrons Harrington and Leanza 1957 trilobite
Artiopoda
 Agnostida - Agnostidae
Lotagnostus sp. Whitehouse 1936
Gymnagnostus perinflatus Harrington and Leanza 1957
Micragnostus calviformis Harrington and Leanza 1957
Micragnostus vilonii Harrington and Leanza 1957
 Agnostida - Diplagnostidae
Pterobranchia
 Graptoloidea - Anisograptidae