Where: St. Clair County, Missouri (37.6° N, 89.7° W: paleocoordinates 7.7° S, 26.3° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Scammon Shale Member (Cabaniss Formation), Desmoinesian (312.8 - 306.0 Ma)
• Given as Scammon formation within Cabaniss subgroup; this is the updated taxonomy
• group of beds-level stratigraphic resolution
Environment/lithology: marine; black shale
Size class: macrofossils
Collection methods: U. Missouri
Primary reference: R. D. Hoare. 1961. Desmoinesian Brachiopoda and Mollusca from southwest Missouri. Missouri University Studies 36:1-262 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 70258: authorized by Pete Wagner, entered by Pete Wagner on 20.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Crurithyris planoconvexa Shumard 1855 | |
"Neospirifer triplicatus" = Neospirifer dunbari, "Neospirifer ? alatus" = Neospirifer triplicatus alatus, Neospirifer cameratus, Neospirifer latus
"Neospirifer triplicatus" = Neospirifer dunbari King 1933
"Neospirifer ? alatus" = Neospirifer triplicatus alatus Dunbar and Condra 1932
Neospirifer cameratus Morton 1836
Neospirifer latus Dunbar and Condra 1932 | |
Spirifer opimus Hall 1858 | |
Composita subtilita Hall 1852
Composita tetralobata Hoare 1960 | |
Strophomenata | |
Reticulatia huecoensis King 1931 | |
Desmoinesia muricatina Norwood and Pratten 1855 | |
"Mesolobus lioderma" = Mesolobus mesolobus lioderma, "Mesolobus decipiens" = Mesolobus mesolobus decipiens, "Mesolobus euampygus" = Mesolobus mesolobus euampygus
"Mesolobus lioderma" = Mesolobus mesolobus lioderma Dunbar and Condra 1932
"Mesolobus decipiens" = Mesolobus mesolobus decipiens Girty 1912
"Mesolobus euampygus" = Mesolobus mesolobus euampygus Girty 1912 | |
Eolissochonetes bilobatus, "Chonetinella crassiradiata" = Chonetinella flemingi crassiradiata
Eolissochonetes bilobatus Hoare 1960
"Chonetinella crassiradiata" = Chonetinella flemingi crassiradiata Dunbar and Condra 1932 | |
Derbyia crassa Meek and Hayden 1858 | |
Lingulata | |
Orbiculoidea missouriensis Shumard 1858 | |
Craniata | |
Petrocrania modesta White and St. John 1867 | |
Bivalvia | |
Astartella concentrica Conrad 1842 clam | |
"Nuculana bellistriata" = Polidevcia bellistriata
"Nuculana bellistriata" = Polidevcia bellistriata Stevens 1858 clam | |
Nucula (Nuculopsis) girtyi Schenck 1934 nut clam | |
Cephalopoda | |
Domatoceras sp. Hyatt 1891 nautiloid | |
"Mooreoceras normale" = Pseudorthoceras knoxense
"Mooreoceras normale" = Pseudorthoceras knoxense McChesney 1859 | |
Gastropoda | |
"Knightites (Cymatospira) montfortianus" = Cymatospira montfortianus
"Knightites (Cymatospira) montfortianus" = Cymatospira montfortianus Norwood and Pratten 1855 snail | |
"Glabrocingulum (Glabrocingulum) grayvillense" = Glabrocingulum grayvillense, "Glabrocingulum (Ananias) nodocostatus n. sp." = Ananias nodocostatus
"Glabrocingulum (Glabrocingulum) grayvillense" = Glabrocingulum grayvillense Norwood and Pratten 1855 snail
"Glabrocingulum (Ananias) nodocostatus n. sp." = Ananias nodocostatus Hoare 1961 snail | |
"Palaeostylus (Pseudozygopleura) ? pluricostata" = Pseudozygopleura pluricostata
"Palaeostylus (Pseudozygopleura) ? pluricostata" = Pseudozygopleura pluricostata Knight 1930 snail |