Biohorizon in the Azygograptus lapworthi Biozone of the Huaytiquina section (Ordovician of Argentina)

Also known as Huaytiquina section

Where: Salta, Argentina (23.8° S, 67.2° W: paleocoordinates 41.3° S, 129.1° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Azygograptus lapworthi graptolite zone, "Coquena" Formation, Dapingian (470.0 - 467.3 Ma)

Environment/lithology: marine; volcaniclastic mudstone

• Immature coarse-grained wackes carrying graptolites and brachiopods.

•Turbidite dominated sedimentary deposits. The fossil-bearing deposits correspond to the Puna Turbidite Complex sensu Astini (2003).

Size class: microfossils

Collection methods: Cátedra de Paleontología General de la Universidad Nacional de Salta, Argentina (CNS-I 119/697:1-14).

Primary reference: B. A. Toro and N. C. Herrera Sánchez. 2019. Stratigraphical distribution of the Ordovician graptolite Azygograptus Nicholson & Lapworth in the Central Andean Basin (northwestern Argentina and southern Bolivia). Comptes Rendus Palevol 18:493-507 [E. Vlachos/N. Herrera Sánchez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 214524: authorized by Evangelos Vlachos, entered by Nexxys Herrera Sánchez on 05.10.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

 Graptoloidea - Dichograptidae
Azygograptus lapworthi Nicholson 1875 graptolite