Grässgård (Ordovician to of Sweden)

Where: Öland, Sweden (56.3° N, 16.5° E: paleocoordinates 35.6° S, 6.0° W)

• outcrop-level geographic resolution

When: Chasmopskalk Formation, Keila to Keila (453.9 - 451.8 Ma)

• probably now called Skagen member of Freberga Formation.

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: E. Koken and J. Perner. 1925. Die Gastropoden des baltischen Untersilurs 1-324 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154575: authorized by Pete Wagner, entered by Pete Wagner on 22.02.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Bellerophontida - Bucaniidae
Bucania oelandica n. sp.1, "Bucaniella depressa" = Kokenospira insularis2, "Bucaniella inflata n. sp." = Kokenospira inflata2
Bucania oelandica n. sp.1 Koken 1896 snail
"Bucaniella depressa" = Kokenospira insularis2 Koken and Perner 1925 snail
"Bucaniella inflata n. sp." = Kokenospira inflata2 Koken 1897 snail
 Bellerophontida - Sinuitidae
Sinuites bilobatus de Sowerby and Murchison 1839 snail
 Euomphalina - Lesueurillidae
"Lesueurilla marginalis" = Mestoronema marginalis, "Raphistoma aequilaterum" = Pararaphistoma qualteriata
"Lesueurilla marginalis" = Mestoronema marginalis d'Eichwald 1860 snail
"Raphistoma aequilaterum" = Pararaphistoma qualteriata von Schlotheim 1820 snail
 Euomphalina - Holopeidae
"Haplospira variablis n. gen. n. sp." = Haplospira variabilis2
"Haplospira variablis n. gen. n. sp." = Haplospira variabilis2 Koken 1897 snail