Where: Tasmania, Australia (42.7° S, 146.4° E: paleocoordinates 10.1° N, 165.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Tetragraptus approximatus graptolite zone, Mt. Field Siltstone Member (Florentine Valley Formation), Lancefieldian (484.3 - 474.9 Ma)
• Near top of member. Laurie (1980) shows 2 beds in this range. Originally given as La1b. However, is more probably Lancefieldian 3
• group of beds-level stratigraphic resolution
Environment/lithology: marine; yellow siltstone
Size class: macrofossils
Preservation: cast
Primary reference: P. A. Jell and B. Stait. 1985. Tremadoc trilobites from the Florentine Valley Formation, Tim Shea area, Tasmania. Memoirs of the Museum of Victoria 46:1-33 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 165772: authorized by Pete Wagner, entered by Pete Wagner on 28.01.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Protopliomerops hamaxitus trilobite
Protopliomerops cf. punctatus trilobite | |
Scotoharpes lauriei n. sp.
Scotoharpes lauriei n. sp. Jell and Stait 1985 trilobite | |
Asaphopsoides florentinensis Etheridge 1905 trilobite | |
Asaphellus cf. trinodosus Chang 1949 trilobite | |
Chosenia adumsensis n. sp.
Chosenia adumsensis n. sp. trilobite | |
"Hystricurus lewisi" = Tasmanaspis lewisi, Hystricurus cf. robustus
"Hystricurus lewisi" = Tasmanaspis lewisi Kobayashi 1940 trilobite
Hystricurus cf. robustus Ross 1951 trilobite | |
Strophomenata | |
Tritoechia lewisi Brown 1948 |