Gamoneda Formation
The Gamoneda Formation is an Emsian geologic formation of southern Bolivia. The approximately thick formation comprises marine micaceous grey siltstones and burrowed grey sandstones and shales.
Fossil content
The formation has provided the following fossils:- Acastoides gamonedensis
- Australocoelia palmata
- Australospirifer hawkinsi
- Australostrophia mesembria
- Bainella insolita
- Cryptonella baini
- Deltacephalaspis comis
- Deltacephalaspis retrospina
- Deltacephalaspis tumida
- Derbyina jamesiana
- Gamonedaspis scutata
- Kozlowskiaspis australis
- Notiochonetes falklandica
- Phacopina convexa
- Plicoplasia planoconvexa
- Protoleptostrophia concinna
- Pustulatia curupira
- Schizostylus granulata
- Tarijactinoides jarcasensis
- Burmeisteria sp.
- cf. Francovichia sp.
- Calmoniidae indet.
- Eurypterida indet.