Where: Barton County, Missouri (37.5° N, 94.6° W: paleocoordinates 5.8° S, 29.7° 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 limestone
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 70135: authorized by Pete Wagner, entered by Pete Wagner on 18.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Craniata | |
Petrocrania modesta White and St. John 1867 | |
Rhynchonellata | |
"Neospirifer triplicatus" = Neospirifer dunbari
"Neospirifer triplicatus" = Neospirifer dunbari King 1933 | |
Crurithyris planoconvexa Shumard 1855 | |
Strophomenata | |
Desmoinesia muricatina Norwood and Pratten 1855 | |
"Mesolobus lioderma" = Mesolobus mesolobus lioderma
"Mesolobus lioderma" = Mesolobus mesolobus lioderma Dunbar and Condra 1932 | |
"Chonetinella crassiradiata" = Chonetinella flemingi crassiradiata
"Chonetinella crassiradiata" = Chonetinella flemingi crassiradiata Dunbar and Condra 1932 | |
Lingulata | |
Orbiculoidea missouriensis Shumard 1858 | |
Cephalopoda | |
Liroceras liratum Girty 1912 nautiloid | |
"Mooreoceras normale" = Pseudorthoceras knoxense
"Mooreoceras normale" = Pseudorthoceras knoxense McChesney 1859 | |
Bivalvia | |
Nucula subrotunda nut clam | |
Astartella concentrica Conrad 1842 clam | |
Gastropoda | |
Shansiella carbonaria Norwood and Pratten 1855 snail |