Where: Greenland (80.3° N, 62.5° W: paleocoordinates 18.1° S, 49.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Ptychagnostus gibbus zone, Henson Gletscher Formation, St Davids (509.0 - 497.0 Ma)
• Approximately 102m above the base of section.
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified packstone
Size class: macrofossils
Preservation: recrystallized
Collection methods: Specimens were collected by J.S. Peel and M.R. Baker in 1985. Only trilobites are described in taxonomic detail. It is not known if/what other fossils are found in the stata
Primary reference: L. E. Babcock. 1994. Systematics and phylogenetics of polymeroid trilobites from the Henson Gletscher and Kap Stanton formations (Middle Cambrian), North Greenland. Bulletin Gronlands geologicske undersohelse 169:79-129 [M. Patzkowsky/P. Borkow]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 10478: authorized by Mark Patzkowsky, entered by Phil Borkow on 09.05.2001, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Trilobita | |
Elrathia sp. Walcott 1924 trilobite | |
"Syspacephalus sp." = Ptychoparella
"Syspacephalus sp." = Ptychoparella Poulson 1927 trilobite | |
Bolaspidella sp. Resser 1937 trilobite | |
Ptychopariina indet. Richter 1933 trilobite
Ptychopariina "indet. 2" Richter 1933 trilobite | |
Corynexochina indet. Kobayashi 1935 trilobite | |
Zacanthoides sp. Walcott 1888 trilobite | |
Olenoides sp., Kootenia nodosa n. sp.
Olenoides sp. Meek 1877 trilobite
Kootenia nodosa n. sp. trilobite | |
Bathyuriscus sp. Meek 1873 trilobite | |
Artiopoda | |
"Phalagnostus ovalis" = Pseudophalacroma ovale, Lejopyge cf. seminula, Lejopyge barrandei, Ptychagnostus intermedius, Tomagnostus gibbus, Tomagnostus fissus, Tomagnostus bothrus
"Phalagnostus ovalis" = Pseudophalacroma ovale Yang 1982
Lejopyge barrandei Hicks 1872
Ptychagnostus intermedius Tullberg 1880
Tomagnostus fissus Lundgren 1879
Tomagnostus bothrus Robison 1994 | |