Westergarn (Silurian of Sweden)

Where: Gotland, Sweden (57.5° N, 18.6° E: paleocoordinates 21.6° S, 2.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Upper Visby Formation, Sheinwoodian (433.4 - 430.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Preservation: replaced with silica

Collection methods: bulk,

• see previous

Primary reference: G. Lindström. 1884. The Silurian Gastropoda and Pteropoda of Gotland. Kongliga Svenska Vetenskaps-Akademiens Handlingasr 19:1-250 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3975: authorized by Pete Wagner, entered by Pete Wagner on 12.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• see previous
Gastropoda
 Euomphalina - Euomphalidae
"Pleurotomaria undulans" = Euomphalopterus undulans, Euomphalopterus subcarinata, "Oriostoma discors" = Poleumita discors
"Pleurotomaria undulans" = Euomphalopterus undulans Lindström 1884 snail
Euomphalopterus subcarinata Lindström 1884 snail
Pleurotomaria alata subcarinata
"Oriostoma discors" = Poleumita discors Sowerby 1814 snail
 Euomphalina - Anomphalidae
Pycnomphalus acutus Lindström 1884 snail
originally entered as "Pyncomphalus acutus"
 Euomphalina - Holopeidae
"Euomphalus gotlandicus" = Pachystrophia gotlandicus
"Euomphalus gotlandicus" = Pachystrophia gotlandicus Lindström 1884 snail
 Euomphalina - Oriostomatidae
Oriostoma globosum von Schlotheim 1820 snail
Oriostoma roemeri Lindström 1884 snail
 Murchisoniina - Luciellidae
"Pleurotomaria limata" = Prosolarium limata
"Pleurotomaria limata" = Prosolarium limata Lindström 1884 snail
 Murchisoniina - Phanerotrematidae
Phanerotrema lindstroemi Boucot et al. 1967 snail
Phanerotrema lindstroemi
"Pleurotomaria lloydii" = Ulrichospira lloydii de Sowerby and Murchison 1839 snail
 Murchisoniina - Lophospiridae
Loxoplocus gothlandicus Ulrich and Scofield 1897 snail