Lower Visby Fauna, Visby Fm. (Silurian of Sweden)

Where: Sweden (57.5° N, 18.6° E: paleocoordinates 24.1° S, 3.1° W)

• coordinate based on political unit

When: Lower Visby Formation, Telychian (438.5 - 433.4 Ma)

• "upper Lland."

Environment/lithology: offshore; black, calcareous shale

• "quiet water, relatively deep. considered equiv of Clorinda bethic assemblage of Ziegler (B.A.[?5 or S or C]). possibly some costistricklandia elements. BA5"

Size class: macrofossils

Primary reference: J. M. Hurst. 1975. Some observations on brachs and the level-bottom community ecology of Gotland. Geol. Fo:reningens i Stockholm Fo:rhandlinger 97:250-264 [P. Wagner/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 466: authorized by Jack Sepkoski, entered by Mike Sommers on 15.12.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "J.M. Hurst, 1975. Some observations on brachs and the level-bottom community ecology of Gotland. Geol. Fo:reningens i Stockholm Fo:rhandlinger 97:250-264"
Show authors, comments, and common names
Strophomenata
 Strophomenida - Sowerbyellidae
Eoplectodonta sp.
Eoplectodonta sp. Kozlowski 1929
 Strophomenida - Rafinesquinidae
Leptaena sp.
Leptaena sp. Dalman 1828
Rhynchonellata
 Atrypida - Atrypinidae
Atrypina sp.
Atrypina sp. Hall and Clarke 1893
 Atrypida - Atrypidae
Atrypa sp., Plectatrypa sp.
Atrypa sp. Dalman 1828
Plectatrypa sp. Schuchert and Cooper 1930
 Orthida - Dicoelosiidae
Dicoelosia sp.
Dicoelosia sp. King 1850
 Orthida - Dalmanellidae
Resserella sp., Isorthis sp.
Resserella sp. Bancroft 1928
Isorthis sp. Kozlowski 1929
Stenolaemata
 Fenestrata -
Fenestrata indet.
Fenestrata indet. Elias and Condra 1957
fenestellate bryozoans
 Trepostomata -
? Trepostomata indet.
? Trepostomata indet. Ulrich 1882
ramose bryozoans - originally entered as "? Trepostomata indet."
Bivalvia
 Ostreida - Pterineidae
Pterinea sp.
Pterinea sp. Goldfuss 1832 oyster
 Solenida - Orthonotidae
Orthonota sp.
Orthonota sp. Conrad 1841 clam
originally entered as "Orthonata sp."
Trilobita
 Phacopida -
Phacopida indet.
Phacopida indet. Salter 1864 trilobite
calymenid
Anthozoa
 Rugosa -
? Rugosa indet.
? Rugosa indet. horn coral
solitary coral - originally entered as "? Rugosa indet."
 Heliolitida - Halysitidae
Halysites sp.
Halysites sp. von Waldheim 1813 tabulate coral