Bank of Mississippi river, near Alton (Carboniferous of the United States)

Where: Madison County, Illinois (38.9° N, 90.2° W: paleocoordinates 14.9° S, 35.1° W)

• outcrop-level geographic resolution

When: Taphrognathus varians conodont zone, Salem Formation, Meramecian (345.0 - 336.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Primary reference: J. Hall. 1856. Description of new species of fossils from the Carboniferous limestones of Indiana and Illinois. Transactions of the Albany Institute 4:1-36 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129929: authorized by Pete Wagner, entered by Pete Wagner on 03.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only gastropods and rostroconchs entered so far; updated taxonomic data needed before other groups can be entered.
Gastropoda
 Murchisoniina - Gosseletinidae
"Pleurotomaria rotundata" = Gosseletina subglobosa
"Pleurotomaria rotundata" = Gosseletina subglobosa Miller 1877 snail
 Bellerophontida - Bellerophontidae
"Bellerophon sublaevis" = Bellerophon spergensis
"Bellerophon sublaevis" = Bellerophon spergensis Gordon and Yochelson 1983 snail
 Euomphalina - Elasmonematidae
"Holopea proutana" = Anematina proutana
"Holopea proutana" = Anematina proutana Hall 1856 snail
 Euomphalina - Microdomatidae
"Pleurotomaria leavenworthana" = Amaurotoma leavenworthana
"Pleurotomaria leavenworthana" = Amaurotoma leavenworthana Hall 1856 snail
 Neritoidea - Naticopsidae
"Natica carleyana" = Naticopsis carleyana
"Natica carleyana" = Naticopsis carleyana Hall 1856 snail
Rostroconchia
 Conocardiida - Bransoniidae
"Conocardium prattenanum n. sp." = Hoarepora prattenanum
"Conocardium prattenanum n. sp." = Hoarepora prattenanum Hall 1856