Where: Yakutiya, Russian Federation (71.6° N, 127.3° E: paleocoordinates 23.8° S, 15.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Nevadella trilobite zone, middle Member (Tyuser Formation), Tommotian (525.5 - 521.0 Ma)
• uppermost Tommotian
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified carbonate
Size class: macrofossils
Collection methods: peel or thin section
Primary reference: E. Bushuev, E. Goryaeva, and V. Pereladov. 2014. New discoveries of the oldest trilobites Profallotaspis and Nevadella in the northeastern Siberian Platform, Russia. Bulletin of Geosciences 89(2):347-364 [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 179712: authorized by Mark Uhen, entered by Mark Uhen on 27.06.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Nevadella sp. Raw 1936 trilobite
Nevadella effusa Repina 1974 trilobite | |
Paranevadella subgroenlandica trilobite | |
Artiopoda | |
"Pagetiellus cf. anabarus" = Delgadella, "Pagetiellus sp." = Delgadella, "Pagetiellus sakhaicus" = Delgadella
"Pagetiellus cf. anabarus" = Delgadella
"Pagetiellus sp." = Delgadella Walcott 1908
"Pagetiellus sakhaicus" = Delgadella |