Where: Gotland, Sweden (57.3° N, 18.7° E: paleocoordinates 16.6° S, 2.2° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Hemse Beds Formation, Ludfordian (425.6 - 423.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified, shelly/skeletal limestone and lithified marl
Collection methods: This is one of several individual bed collections within 20 meters of one another.
Primary reference: R. Watkins. 1975. Silurian brachiopods in a stromatoporoid bioherm. Lethaia 8(1):53-61 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 65049: authorized by Linda Ivany, entered by Cristina Story on 18.09.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Strophomenata | |
? Morinorhynchus sp. Havlicek 1965 | |
Rhynchonellata | |
Ancillotoechia cf. bidentata Hisinger 1827 | |
Spirigerina aff. quinquecostata Munthe 1910 | |
Lissatrypa sulcata Lindström 1861 | |
Plectatrypa imbricata Sowerby and Murchison 1839 | |
"Spiriferacea indet." = Spiriferoidea
"Spiriferacea indet." = Spiriferoidea King 1846 | |
Howellella elegans Muir-Wood 1925 | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Trilobita | |
Trilobita indet. Walch 1771 trilobite |