Locality 6. 200 ft. north of Clayton Rd., 1st street west of Kirkwood-Ferguson Trolly tracks, "Davis Place" subdivision, Clayton (Carboniferous of the United States)

Where: St. Louis County, Missouri (38.6° N, 90.3° W: paleocoordinates 6.5° S, 26.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Pawnee Formation (Marmaton Group), Desmoinesian (313.8 - 305.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Primary reference: J. B. Knight. 1933. The location and areal extent of the Saint Louis Pennsylvanian outlier. American Journal of Science 25(145):25-48 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69770: authorized by Pete Wagner, entered by Pete Wagner on 06.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• All gastropods....
Gastropoda
 Cycloneritimorpha - Trachyspiridae
"Trachydoma nodosum" = Trachydomia nodosa5
"Trachydoma nodosum" = Trachydomia nodosa5 Meek and Worthen 1860 snail
 Euomphalina - Anomphalidae
Anomphalus umbilicatus n. sp.4 Knight 1933 snail
 Euomphalina - Microdomatidae
"Yunnania subsinuata" = Amaurotoma subsinuata4, Microdoma conicum4
"Yunnania subsinuata" = Amaurotoma subsinuata4 Meek and Worthen 1860 snail
Microdoma conicum4 Meek and Worthen 1867 snail
 Prosobranchia - Meekospiridae
Meekospira peracuta3 Meek and Worthen 1860 snail
 Prosobranchia - Orthonematidae
"Orthonema werneri n. sp." = Orthonema salteri6, Orthonema inornatum n. sp.6, Orthonema marvinwelleri n. sp.6
"Orthonema werneri n. sp." = Orthonema salteri6 Meek and Worthen 1860 snail
Orthonema inornatum n. sp.6 Knight 1934 snail
Orthonema marvinwelleri n. sp.6 Knight 1934 snail
 Prosobranchia - Pseudozygopleuridae
"Pseudozygopleura (Pseudozygopleura) williamsi" = Levizygopleura williamsi2, Pseudozygopleura (Pseudozygopleura) "sp. A"2, Pseudozygopleura (Pseudozygopleura) conica2, "Pseudozygopleura (Pseudozygopleura) pluricostata" = Pseudozygopleura pluricostata2, "Pseudozygopleura (Pseudozygopleura) tenuivirga" = Pseudozygopleura tenuivirga2
"Pseudozygopleura (Pseudozygopleura) williamsi" = Levizygopleura williamsi2 Knight 1930 snail
"Pseudozygopleura (Pseudozygopleura) pluricostata" = Pseudozygopleura pluricostata2 Knight 1930 snail
"Pseudozygopleura (Pseudozygopleura) tenuivirga" = Pseudozygopleura tenuivirga2 Knight 1930 snail
 Cerithimorpha - Orthonemidae
"Pseudozygopleura (Pyrgozyga) cylindrata n. subgen. n. sp." = Palaeostylus cylindrata2
"Pseudozygopleura (Pyrgozyga) cylindrata n. subgen. n. sp." = Palaeostylus cylindrata2 Knight 1930 snail
 Neritoidea - Naticopsidae
"Naticopsis wortheni n. sp." = Naticopsis wortheniana5
"Naticopsis wortheni n. sp." = Naticopsis wortheniana5 Knight 1934 snail
 Murchisoniina - Soleniscidae
Soleniscus (Soleniscus) typicus1, "Soleniscus (Macrochilina) paludinaeformis" = Strobeus paludinaeformis1
Soleniscus (Soleniscus) typicus1 Meek and Worthen 1860 snail
"Soleniscus (Macrochilina) paludinaeformis" = Strobeus paludinaeformis1 Hall 1858 snail