Type Section Suri Formation. 80 - 110 meters (Ordovician of Argentina)

Also known as Offshore section, Suri fm., Chaschuil and Sierra de Narvaez, Argentina

Where: Argentina (28.0° S, 68.0° W: paleocoordinates 39.0° S, 129.9° W)

• local area-level geographic resolution

When: Suri Formation, Arenig (478.6 - 466.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, shelly/skeletal sandstone and sandstone

• arenitas & coquinas

Size classes: macrofossils, mesofossils

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: N. E. Vaccari and B.G. Waisfeld. 1994. Nuevos trilobites de la Formacion Suri (Ordovicico temprano) en la region de Chaschuil, Provincia de Catamarca: Implicancias bioestratigraficas. Ameghiniana 31(1):73-86 [A. Miller/P. Novack-Gottshall/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 210685: authorized by Pete Wagner, entered by Pete Wagner on 14.06.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Phacopida - Calymenidae
"Neseuretus (Neseuretus) chaschuilensis" = Neseuretus chaschuilensis
"Neseuretus (Neseuretus) chaschuilensis" = Neseuretus chaschuilensis Vaccari and Waisfeld 1994 trilobite
 Asaphida - Asaphidae
Merlinia megacantha Leanza 1941 trilobite
 Corynexochida - Leiostegiidae
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
Rhynchonellata
 Orthida - Heterorthidae
Incorthis sp. Havlíček and Branisa 1980
 Orthida - Hesperonomiidae
 Orthida - Orthidae
Paralenorthis riojanus Levy and Nullo 1973
 Orthida - Giraldiellidae
Famatinorthis turneri Levy and Nullo 1973
Bivalvia
 Actinodontida - Cycloconchidae
Catamarcaia chaschuilensis Aceñolaza and Toselli 1977 clam
 Modiomorphida - Modiomorphidae
Redonia suriensis Sánchez and Babin 1994 clam