Hoburgen 2, Gotland, Hamra Beds, stromatoporoid-calcimicrobial reef (Silurian of Sweden)

Also known as Reef 1800

Where: Sweden (56.9° N, 18.1° E: paleocoordinates 17.1° S, 2.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hamra Formation, Ludfordian (425.6 - 423.0 Ma)

• lower Hamra Beds

• group of beds-level stratigraphic resolution

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

• stromatoporoid-calcimicrobial reef

Size class: macrofossils

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 79812: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.03.2008, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

 Euomphalina - Platyceratidae
Platyceras disciforme n. sp. Lindström 1884 snail
Platyostoma cornutum Hisinger 1837 snail
 Euomphalina - Oriostomatidae
Oriostoma globosum von Schlotheim 1820 snail
Oriostoma globosum sculptum
Crinoidea indet. Miller 1821 Sea lily
 Stromatoporoidea -
 Syringostromatida - Coenostromatidae
Parallelostroma sp. Nestor 1966
 Favositida - Favositidae
Favosites forbesi tabulate coral
 Favositida - Alveolitidae
 Rugosa -
Rugosa indet. horn coral