Hamra Beds: Fossils of crinoid limestone (Manten 1971, Table IX) (Silurian of Sweden)
Where: Gotland, Sweden (57.5° N, 18.4° E: paleocoordinates 16.5° S, 2.4° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Hamra Beds Formation, Ludfordian (425.6 - 423.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; limestone and reef rocks
• SEP: Possibly includes buidup
Primary reference: A. A. Manten. 1971. Silurian Reefs of Gotland. Developments in Sedimentology 13:1-539 [M. Foote/M. Foote/P. Wagner]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 13621: authorized by Michael Foote, entered by Michael Foote on 16.04.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| unclassified | |
| Strophomenata | |
"Leptostrophia filosa" = Mesoleptostrophia filosa
"Leptostrophia filosa" = Mesoleptostrophia filosa Sowerby 1839 | |
|
Leptaena rhomboidalis Wahlenberg 1818 | |
| Rhynchonellata | |
| Lophophorata | |
|
Tentaculites sp. von Schlotheim 1820 | |
| Gastropoda | |
"Cyclonema carinatum" = Poleumita octavia
"Cyclonema carinatum" = Poleumita octavia d'Orbigny 1850 snail | |
| Trilobita | |
|
Trilobita indet. Walch 1771 trilobite | |
| Crinoidea | |
|
Crinoidea indet. Miller 1821 Sea lily | |
| Stromatoporoidea | |
|
Stromatoporoidea indet. stromatoporoid sponge | |
|
Labechia conferta Lonsdale 1839 stromatoporoid sponge | |
| Anthozoa | |
|
Anthozoa indet. Ehrenberg 1834 | |
|
Omphyma sp. Rafinesque and Clifford 1820 horn coral | |
|
Aulopora sp. Goldfuss 1829 tabulate coral | |
| Algae | |