Brissund 4 and Galgberget 2, Gotland, Högklint reefs (Silurian of Sweden)

Also known as Reef 1799

Where: Sweden (57.7° N, 18.4° E: paleocoordinates 21.5° S, 3.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Hogklint Formation, Sheinwoodian (433.4 - 430.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

• coral-stromatoporoid reefs with graticulacean-microbial/calcimicrobial reef crest

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: M. Nose, D. U. Schmid, and R. R. Leinfelder. 2006. Significance of microbialites, calcimicrobes, and calcareous algae in reefal framework formation from the Silurian of Gotland, Sweden. Sedimentary Geology 192:243-265 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 77532: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Rugosa -
Rugosa indet. horn coral
 Tabulata -
Tabulata indet. tabulate coral
unclassified
  -
Porifera indet. Grant 1836
siliceous sponges
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet. stromatoporoid sponge
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Renalcis
  - Chabakoviacea
Renalcis sp. Vologdin 1932
Cyanophyceae
  - Garwoodiaceae
Hedstroemia sp. Rothpletz 1913
Rothpletzella
  -
Florideophyceae
 Corallinales - Corallinophycidae
 Life -
"Wetheredella sp." = Allonema
"Wetheredella sp." = Allonema