Where: Tarija, Bolivia (21.5° S, 64.0° W: paleocoordinates 67.2° S, 98.7° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Gamoneda Formation, Emsian (407.6 - 393.3 Ma)
• Scaphiocoelia Zone well recognized. Emsian age follows Isaacson (ref. 9680).
• member-level stratigraphic resolution
Environment/lithology: marine; micaceous, gray siltstone and burrowed, micaceous, gray sandstone
Primary reference: N. Eldredge and L. Branisa. 1980. Calmoniid trilobites of the Lower Devonian Scaphiocoelia Zone of Bolivia, with remarks on related species. Bulletin of the American Museum of Natural History 165(2):181-289 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 36137: authorized by Michael Foote, entered by Michael Foote on 14.01.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Eurypterida | |
Eurypterida indet. Burmeister 1843 eurypterid | |
Trilobita | |
Gamonedaspis scutata trilobite
cf. Francovichia sp. Branisa 1960 trilobite | |
? Acastoides gamonedensis n. sp.
? Acastoides gamonedensis n. sp. trilobite | |
Calmoniidae indet., Schizostylus (Curuyella) granulata n. subgen. n. sp., Deltacephalaspis (Deltacephalaspis) comis n. gen. n. subgen. n. sp., Deltacephalaspis (Deltacephalaspis) retrospina n. gen. n. subgen. n. sp., Deltacephalaspis (Prestalia) tumida n. gen. n. subgen. n. sp., Phacopina convexa n. sp., Tarijactinoides jarcasensis, Kozlowskiaspis (Romanops) australis n. subgen. n. sp., "Bainella (Belenops) insolita n. subgen." = Anchiopella
Schizostylus (Curuyella) granulata n. subgen. n. sp. trilobite
Deltacephalaspis (Deltacephalaspis) comis n. gen. n. subgen. n. sp. trilobite
Deltacephalaspis (Deltacephalaspis) retrospina n. gen. n. subgen. n. sp. trilobite
Deltacephalaspis (Prestalia) tumida n. gen. n. subgen. n. sp. trilobite
Phacopina convexa n. sp. trilobite
Tarijactinoides jarcasensis trilobite
Kozlowskiaspis (Romanops) australis n. subgen. n. sp. trilobite
"Bainella (Belenops) insolita n. subgen." = Anchiopella trilobite | |
|