Where: Gotland, Sweden (57.6° N, 18.3° E: paleocoordinates 21.6° S, 3.0° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Upper Visby Formation, Sheinwoodian (433.4 - 430.5 Ma)
• Correlation from Jeppsson (1983), Fossils and Strata 15:128.
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal ramp; packstone and lime mudstone
Size class: macrofossils
Primary reference: M. G. Bassett and L. R. M. Cocks. 1974. A review of Silurian brachiopods from Gotland. Fossils and Strata (3)1-56 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 13524: authorized by Michael Foote, entered by Michael Foote on 12.04.2002, edited by Uta Merkel and Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Chileata | |
Dictyonella capewellii Davidson 1848 | |
Rhynchonellata | |
Clorinda rotunda Lindström 1861 | |
Sphaerirhynchia spp. Cooper and Muir-Wood 1951 | |
? Microsphaeridiorhynchus nucula Sowerby 1839
Rhynchotreta cuneata Dalman 1828 | |
Ferganella borealis Buch 1834 | |
Howellella elegans Muir-Wood 1925 | |
Eospirifer radiatus, "Cyrtia exporrecta" = Cyrtia exporrectus
Eospirifer radiatus Sowerby 1834
"Cyrtia exporrecta" = Cyrtia exporrectus Wahlenberg 1818 | |
"? Rhynchonella ? exigua" = Zygatrypa exigua
"? Rhynchonella ? exigua" = Zygatrypa exigua Lindström 1861 questionable occurrence of "Rhynchonella" exigua, which may be a n. gen.
| |
Spinatrypina tubulosa, Atrypa reticularis, Atrypa hedei, Plectatrypa imbricata, Plectatrypa lamellosa
Spinatrypina tubulosa Bassett and Cocks 1974
Atrypa reticularis Linnaeus 1758
Atrypa hedei Struve 1966
Plectatrypa imbricata Sowerby and Murchison 1839
Plectatrypa lamellosa Lindström 1861 | |
Dicoelosia verneuiliana Beecher 1891 | |
Dalejina phaseola Rubel 1963 | |
Skenidioides acutum Lindström 1861 | |
Strophomenata | |
"Leptaena rugata" = Leptaenoidea rugata
"Leptaena rugata" = Leptaenoidea rugata Lindström 1861 | |
"Leptostrophia filosa" = Mesoleptostrophia filosa, Brachyprion sp., "Megastrophia (Protomegastrophia) semiglobosa" = Protomegastrophia semiglobosa
"Leptostrophia filosa" = Mesoleptostrophia filosa Sowerby 1839
Brachyprion sp. Shaler 1865
"Megastrophia (Protomegastrophia) semiglobosa" = Protomegastrophia semiglobosa Davidson 1871 | |
Leptaena rhomboidalis, "Leptaena depressa" = Leptaena (Leptaena) depressa, "Leptaena depressa" = Leptaena (Leptaena) depressa1
Leptaena rhomboidalis Wahlenberg 1818
"Leptaena depressa" = Leptaena (Leptaena) depressa Sowerby 1824
"Leptaena depressa" = Leptaena (Leptaena) depressa1 Sowerby 1824 | |
Pentlandina lewisii2, Pentlandina loveni, aff. Katastrophomena aff. scabrosa, Katastrophomena (Katastrophomena) penkillensis2, "Bellimurina wisgoriensis" = Cyphomenoidea wisgoriensis2
Pentlandina loveni Verneuil 1848
aff. Katastrophomena aff. scabrosa Davidson 1847
"Bellimurina wisgoriensis" = Cyphomenoidea wisgoriensis2 Lamont and Gilbert 1945 | |
"Leangella segmentum" = Leangella (Leangella) segmentum
"Leangella segmentum" = Leangella (Leangella) segmentum Lindstrom 1861 | |
Eoplectodonta duvalii Davidson 1847 | |
Coolinia pecten Linnaeus 1758
Valdaria testudo Bassett and Cocks 1974 | |
Plectotreta lindstroemi Ulrich and Cooper 1936
Streptis grayii Davidson 1848 |