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Grupo Meson Quartzite Fm., Alto de la sierra, Argentina (Ordovician of Argentina)

Where: Argentina (25.0° S, 65.0° W: paleocoordinates 43.6° S, 130.0° W)

• local area-level geographic resolution

When: Grupo Meson Quartzites Formation, Tremadoc (488.3 - 478.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: sand shoal; lithified, shelly/skeletal grainstone and sandstone

• lumachelae (coquinites) intercalated with sandstone

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: F. G. Acenolaza. 1986. El genero Macrocystella (Cystoidea) en el Tremadociano de Salta y Jujuy. Actas del IV congreso Argentino de paleontologia y bioestratigrafia - Simposio: Bioestratigrafia del Paleozoico Inferior. Ed. A. Cuerda. 1:133-137 [A. Miller/P. Novack-Gottshall] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8898: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 02.09.2000

Creative Commons license: CC BY (attribution)