Vanuxemia beds, Beloit (Ordovician of the United States)

Where: Rock County, Wisconsin (42.5° N, 89.0° W: paleocoordinates 21.7° S, 62.4° W)

• outcrop-level geographic resolution

When: McGregor Formation (Platteville Group), Blackriveran (457.3 - 449.6 Ma)

• Vanuxemia bed

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Reposited in the USNM

Primary reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154948: authorized by Pete Wagner, entered by Pete Wagner on 22.03.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only gastropods entered, as taxonomy is outdated.
Show authors, comments, and common names
Tergomya
 Archinacellida - Archinacellidae
Archinacella powersi n. gen. n. sp.
Archinacella powersi n. gen. n. sp. Ulrich and Scofield 1897
Gastropoda
 Bellerophontida - Sinuitidae
"Protowarthia rectangularis n. sp." = Sinuites rectangularis
"Protowarthia rectangularis n. sp." = Sinuites rectangularis Ulrich and Scofield 1897 snail
 Bellerophontida - Bucaniidae
Salpingostoma buelli
Salpingostoma buelli Whitfield 1878 snail
 Bellerophontida - Plectonotidae
Tetranota wisconsinensis, Tetranota sexcarinata
Tetranota wisconsinensis Whitfield 1878 snail
Tetranota sexcarinata Ulrich and Scofield 1897 snail
 Murchisoniina - Trochonematidae
Trochonema beloitense, Trochonema ? beachi
Trochonema beloitense Whitfield 1878 snail
Trochonema ? beachi Whitfield 1878 snail
 Murchisoniina - Lophospiridae
"Gyronema liratum n. sp." = Gyronema pulchellum, "Gyronema duplicatum" = Gyronema semicarinatum
"Gyronema liratum n. sp." = Gyronema pulchellum Ulrich and Scofield 1897 snail
"Gyronema duplicatum" = Gyronema semicarinatum Salter 1859 snail
 Murchisoniina - Eotomariidae
Clathrospira subconica, "Eotomaria supracingulata" = Paraliospira supracingulata, "Pleurotomaria nasoni n. sp." = Paraliospira supracingulata
Clathrospira subconica Hall 1847 snail
"Eotomaria supracingulata" = Paraliospira supracingulata Billings 1857 snail
"Pleurotomaria nasoni n. sp." = Paraliospira supracingulata Billings 1857 snail
 Murchisoniina - Subulitidae
Fusispira schucherti n. sp., Subulites beloitensis n. sp.
Fusispira schucherti n. sp. Ulrich and Scofield 1897 snail
Subulites beloitensis n. sp. Ulrich and Scofield 1897 snail
 Euomphalina - Macluritidae
"Maclurea bigsbyi" = Maclurina bigsbyi
"Maclurea bigsbyi" = Maclurina bigsbyi Hall 1861 snail
 Euomphalina - Lesueurillidae
"Eccyliopterus beloitensis" = Lesueurilla beloitensis
"Eccyliopterus beloitensis" = Lesueurilla beloitensis Ulrich and Scofield 1897 snail
 Euomphalina - Helicotomidae
Helicotoma umbilicata
Helicotoma umbilicata Ulrich and Scofield 1897 snail
 Euomphalina - Holopeidae
Holopea ampla
Holopea ampla Ulrich and Scofield 1897 snail