Cerro Guandacol, Quebrada de las Libélulas (Carboniferous of Argentina)

Where: Argentina (29.5° S, 68.5° W: paleocoordinates 49.1° S, 64.4° W)

When: Guandacol Formation, Bashkirian (323.2 - 315.2 Ma)

• Basal part of the Guandacol Formation, earliest Bashkirian (or perhaps latest Serpukhovian) according to Gulbranson et al., 2010

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, black claystone

• Interpreted as lacustrine environment but presence of brachiopods indicates that it is actually marine

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Paleoinvertebrate Division of the Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (MACN-In)

Primary reference: P. R. Gutiérrez, J. Muzón, and C. O. Limarino. 2000. The earliest Late Carboniferous winged insect (Insecta, Protodonata) from Argentina: geographical and stratigraphical location. Ameghiniana 37:375-378 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166808: authorized by Matthew Clapham, entered by Matthew Clapham on 26.02.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Kukaloptera - Kirchneralidae
Kirchnerala treintamil n. gen. n. sp.
Kirchnerala treintamil n. gen. n. sp. Petrulevicius and Gutiérrez 2016 winged insect
MACN-In 2678D
 Argentinoptera - Argentinalidae
Argentinala cristinae n. gen. n. sp.
Argentinala cristinae n. gen. n. sp. Petrulevicius and Gutiérrez 2016 winged insect
MACN-In 2678A-B
 Eugeroptera - Eugeropteridae
Tupacsala niunamenos n. gen. n. sp.
Tupacsala niunamenos n. gen. n. sp. Petrulevicius and Gutiérrez 2016 winged insect
MACN-In 2678C