Espinoza del Diablo (Ordovician of Argentina)

Where: Jujuy, Argentina (23.9° S, 65.6° W: paleocoordinates 41.2° S, 131.4° W)

• local area-level geographic resolution

When: Hoekaspis diablensis trilobite zone, Sepulturas Formation, Early/Lower Llanvirn (466.0 - 463.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, shelly/skeletal, green, yellow shale and grainstone

• green-yellow and red-violet shale with occasional anhydrite-rich rose and yellow calcarenite, limestone, and shell beds (coquinas)

Size class: macrofossils

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: J. C. Gutierrez-Marco and F.G. Acenolaza. 1992. Ribeiria y Tolmachovia (Mollusca, Rostroconchia) en el Ordovicico inferior de la Cordillera Oriental Argentina. Zentrallblatt fuer Geologie une Palaeontologie, Teil I: Allgemeine, angewandte, regionale une historische geologie. 12th Symposium on Latin American geosciences 1991(6):1799-1814 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 167379: authorized by Pete Wagner, entered by Pete Wagner on 13.03.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Pliomeridae
 Phacopida - Calymenidae
 Asaphida - Asaphidae
 Asaphida - Raphiophoridae
Ampyx reyesi trilobite
 Asaphida - Trinucleidae
Rostroconchia
 Ribeirioida - Technophoridae
Ribeiria spinosa Babin and Branisa 1987
Bivalvia
 Palaeotaxodonta - Tironuculidae
"Ekaterodonta boliviensis" = Natasia boliviensis
"Ekaterodonta boliviensis" = Natasia boliviensis Babin and Branisa 1987 clam
 Cardioni - Coxiconchiidae
"Coxiconcha sp." = Coxiconchia
"Coxiconcha sp." = Coxiconchia Babin 1966 clam
Gastropoda
 Bellerophontida - Tropidodiscidae
Peelerophon oehlerti Bergeron 1889 snail