Where: Gotland, Sweden (57.3° N, 18.7° E: paleocoordinates 16.6° S, 2.2° W)
• coordinate based on unpublished field data
• outcrop-level geographic resolution
When: Polygnathoides siluricus conodont zone, När Formation (Hemse Group), Ludfordian (425.6 - 423.0 Ma)
• Hemse Marl
• member-level stratigraphic resolution
Environment/lithology: lithified marl
Size class: microfossils
Preservation: original phosphate
Collection methods: acetic, sieve
Primary reference: L. Jeppsson. 2005. Conodont-based revisions of the Late Ludfordian on Gotland, Sweden. Gff 127(4):273-282 [E. Jarochowska/E. Jarochowska]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 184313: authorized by Emilia Jarochowska, entered by Emilia Jarochowska on 21.02.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
| Conodonta | |
|
Panderodus "sp. G" Ethington 1959 conodont
Panderodus unicostatus Branson and Mehl 1933 conodont | |
|
Wurmiella excavata Branson and Mehl 1933 conodont | |
|
Polygnathoides siluricus conodont | |
|
Ozarkodina confluens Rhodes 1953 conodont | |
|
Oulodus ? siluricus Branson and Mehl 1933 conodont
Oulodus excavatus Ziegler 1960 conodont | |
|
Belodella sp. Ethington 1959 conodont | |
|
Silurognathus maximus Jeppsson 2005 conodont | |