Where: La Paz, Bolivia (17.0° S, 68.0° W: paleocoordinates 63.9° S, 86.9° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Lower Belen Member (Belen 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 micaceous, gray mudstone
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 36133: authorized by Michael Foote, entered by Michael Foote on 14.01.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Kozlowskiaspis (Romanops) borealis n. subgen. n. sp., Tarijactinoides tikaensis n. sp., Parabouleia calmonensis, ? Phacopina ? convexa, ? Schizostylus (? Curuyella) ? granulata, Deltacephalaspis (Deltacephalaspis) magister n. gen. n. subgen. n. sp., Deltacephalaspis (Prestalia) "sp. A" n. gen. n. subgen., "Bainella (Belenops) insolita n. subgen." = Anchiopella
Kozlowskiaspis (Romanops) borealis n. subgen. n. sp. trilobite
Tarijactinoides tikaensis n. sp. trilobite
Parabouleia calmonensis trilobite
? Phacopina ? convexa trilobite
? Schizostylus (? Curuyella) ? granulata trilobite
Deltacephalaspis (Deltacephalaspis) magister n. gen. n. subgen. n. sp. trilobite
Deltacephalaspis (Prestalia) "sp. A" n. gen. n. subgen. Eldredge and Ormiston 1979 trilobite
"Bainella (Belenops) insolita n. subgen." = Anchiopella trilobite | |
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