Visby area, Hogklint Beds, Gotland (Silurian of Sweden)

Also known as Reef 1799

Where: Sweden (57.6° N, 18.3° E: paleocoordinates 21.6° S, 3.0° W)

• coordinate based on nearby landmark

• outcrop-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 limestone

• Ref. 11073 "Well-sorted biodetritic and crinoidal limestones (grainstones and packstones), often cross-bedded, contain irregularly arranged massive bioherms, which were built up predominately by stromatopores...coarse biodetritic limestones in the vicinity of these reefs grade into inter-reef sediments consisting of limestone-marl alterations."

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: M. A. Motus and E. Klaamann. 1999. The halysitid coral genera Halysites and Cystihalysites from Gotland, Sweden. GFF 121(2):81-90 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61761: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.06.2006, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

Brachiopoda
  -
Brachiopoda indet.2 lamp shell
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena sperion1 Bassett 1977
Leptaena rhomboidalis1 Wahlenberg 1818
"Leptaena depressa" = Leptaena (Leptaena) depressa1 Sowerby 1824
spp. visbyensis
Bryozoa
  -
Bryozoa indet.2 bryozoan
Crinoidea
  -
Crinoidea indet.2 Miller 1821 Sea lily
Anthozoa
 Heliolitida - Halysitidae
Halysites senior Klaamann 1961 tabulate coral
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet.2 stromatoporoid sponge
Florideophyceae
 Corallinales - Corallinophycidae
Aquirrea fluegelii2 Teichert et al. 2019