Where: Spitsbergen, Norway (79.8° N, 17.8° E: paleocoordinates 0.7° N, 27.9° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Psephosthenaspis pseudobathyurus trilobite zone, Profilbekken Member (Valhallfonna Formation), Whiterockian (470.0 - 457.3 Ma)
• While collections were made throughout section, only ranges of trilobite species are reported. Zone V4a comprises meters 75-100 of the Profilbekken Member. Correlates with part of "zone L" of Ross 1951, Hintze 1951, 1952.
• group of beds-level stratigraphic resolution
Environment/lithology: slope; lithified, gray limestone and breccia
Size class: macrofossils
Collected by R. A. Fortey in 1967
Primary reference: R. A. Fortey. 1980. The Ordovician trilobites of Spitsbergen. III. Remaining trilobites of the Valhallfonna Formation. Norsk Polarinstitutt Skrifter 171:1-163 [M. Hopkins/M. Hopkins]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 106478: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.03.2011, edited by Mihaela Krause
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
? Belodella sp. Ethington 1959 conodont | |
Periodon sp. Hadding 1913 conodont | |
Trilobita | |
Turgicephalus falcatus Fortey 1980 trilobite | |
Robergiella lundehukensis Fortey 1980 trilobite | |
Peraspis erugata Ross 1970 trilobite
Poronileus fistulosus Fortey 1975 trilobite | |
Ampyxoides inermis Fortey 1975 trilobite
Globampyx trinucleoides Fortey 1975 trilobite
Ampyx toxotis Fortey 1975 trilobite
Rhombampyx tragula Fortey 1975 trilobite | |
Shumardia acuticaudata Fortey 1980 trilobite | |
"Triarthrus parapunctatus" = Porterfieldia parapunctata, Hypermecaspis brevifrons
"Triarthrus parapunctatus" = Porterfieldia parapunctata Fortey 1974 trilobite
Hypermecaspis brevifrons Fortey 1974 trilobite | |
Parapilekia jacquelinae Fortey 1980 trilobite | |
Cybelurus brutoni Fortey 1980 trilobite | |
Evropeites hyperboreus Fortey 1980 trilobite | |
Oenonella paulula Fortey 1980 trilobite | |
Carolinites killaryensis Stubblefield 1950 trilobite
Carolinites ekphymosus Fortey 1975 trilobite |