Visby C (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)

• see previous,

•"upper Visby marl", of Regnell 1945

• formation-level stratigraphic resolution

Environment/lithology: marine; marl

• see previous

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 3977: authorized by Pete Wagner, entered by Pete Wagner on 12.08.1999, edited by Björn Kröger

Creative Commons license: CC BY (attribution)

Taxonomic list

• see previous
Rhynchonellata
 Orthida - Dicoelosiidae
Rostroconchia
 Conocardiida - Pseudobigaleaidae
"Bigalea visbyensis n. sp." = Redstonia visbyensis1
"Bigalea visbyensis n. sp." = Redstonia visbyensis1 Pojeta and Runnegar 1976
Gastropoda
 Trochonematoidea - Trochonematidae
"Trochonema turritum" = Globonema turritum
"Trochonema turritum" = Globonema turritum Lindström 1884 snail
 Trochonematoidea - Lophospiridae
"Pleurotomaria laqueata" = Longstaffia laqueata, "Murchisonia imbricata" = Frodospira imbricata
"Pleurotomaria laqueata" = Longstaffia laqueata Lindström 1884 snail
"Murchisonia imbricata" = Frodospira imbricata Lindström 1884 snail
 Euomphalina - Euomphalidae
"Oriostoma discors" = Poleumita discors, "Trochus gyrans" = Poleumita gyrans, "Oriostoma alatum" = Poleumita alatum, Poleumita rugosa3
"Oriostoma discors" = Poleumita discors Sowerby 1814 snail
"Trochus gyrans" = Poleumita gyrans Lindström 1884 snail
"Oriostoma alatum" = Poleumita alatum Lindström 1884 snail
Poleumita rugosa3 Sowerby 1814 snail
Oriostoma discors rugosum
 Euomphalina - Anomphalidae
Pycnomphalus acutus Lindström 1884 snail
 Euomphalina - Holopeidae
"Euomphalus gotlandicus" = Pachystrophia gotlandicus
"Euomphalus gotlandicus" = Pachystrophia gotlandicus Lindström 1884 snail
 Euomphalina - Pseudophoridae
"Trochus gotlandicus" = Siluriphorus gotlandicus, "Trochus stuxbergi" = Pseudophorus stuxbergi
"Trochus gotlandicus" = Siluriphorus gotlandicus Lindström 1884 snail
"Trochus stuxbergi" = Pseudophorus stuxbergi Lindström 1884 snail
 Euomphalina - Elasmonematidae
"Trochus dalli" = Discordichilus dalli Lindström 1884 snail
Streptotrochus wisbyensis3 snail
Streptotrochus wisbyensis
"Trochus incisus" = Streptotrochus incisus Lindström 1884 snail
 Euomphalina - Oriostomatidae
Oriostoma angulatum Wahlenberg 1821 snail
Oriostoma wisbyense Lindström 1884 snail
 Bellerophontida - Bellerophontidae
"Bellerophon tubulosa" = Liljevallospira tubulosa, "Bellerophon elegantulus" = Liljevallospira elegantulus, "Bellerophon fasciatus" = Anapetopsis fasciatus
"Bellerophon tubulosa" = Liljevallospira tubulosa Lindström 1884 snail
"Bellerophon elegantulus" = Liljevallospira elegantulus Lindström 1884 snail
"Bellerophon fasciatus" = Anapetopsis fasciatus Lindström 1884 snail
 Bellerophontida - Bucaniidae
Bucania squamosus, "Tremanotus longitudinalis" = Boiotremus longitudinalis
Bucania squamosus Lindström 1884 snail
"Tremanotus longitudinalis" = Boiotremus longitudinalis Lindström 1884 snail
 Murchisoniina - Porcelliidae
"Pleurotomaria scutulata" = Quadricarina scutulata
"Pleurotomaria scutulata" = Quadricarina scutulata Lindström 1884 snail
 Murchisoniina - Luciellidae
"Pleurotomaria limata" = Prosolarium limata
"Pleurotomaria limata" = Prosolarium limata Lindström 1884 snail
 Murchisoniina - Gosseletinidae
"Pleurotomaria biformis" = Promourlonia biformis, "Pleurotomaria claustrata" = Conotoma claustrata
"Pleurotomaria biformis" = Promourlonia biformis Lindström 1884 snail
"Pleurotomaria claustrata" = Conotoma claustrata Lindström 1884 snail
 Murchisoniina - Murchisoniidae
Murchisonia obtusangula, "Murchisonia attenuata" = Michelia whiteavesi, "Murchisonia cava" = Cyrtostropha cava
Murchisonia obtusangula Lindström 1884 snail
"Murchisonia attenuata" = Michelia whiteavesi Clarke and Ruedemann 1903 snail
"Murchisonia cava" = Cyrtostropha cava Lindström 1884 snail
Edrioasteroidea
  - Pyrgocystidae
Pyrgocystis cylindrica2 Aurivillius 1892