Where: Henry County, Missouri (38.5° N, 93.9° W: paleocoordinates 5.2° S, 28.7° 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: 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 70309: authorized by Pete Wagner, entered by Pete Wagner on 20.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
|
Nucula (Nuculopsis) girtyi Schenck 1934 nut clam | |
|
Edmondia ovata Meek and Worthen 1873 clam | |
|
Wilkingia terminale Hall 1852 clam | |
| Cephalopoda | |
"Pseudorthoceras knoxense" = Pseudorthoceras knoxense, "Mooreoceras normale" = Pseudorthoceras knoxense
"Pseudorthoceras knoxense" = Pseudorthoceras knoxense McChesney 1859
"Mooreoceras normale" = Pseudorthoceras knoxense McChesney 1859 | |
| Gastropoda | |
"Naticopsis (Jedria) meeki" = Jedria meeki, "Naticopsis (Jedria) ventricosa" = Jedria ventrica
"Naticopsis (Jedria) meeki" = Jedria meeki Knight 1933 snail
"Naticopsis (Jedria) ventricosa" = Jedria ventrica Norwood and Pratten 1855 snail | |
|
Donaldina robusta Stevens 1858 snail | |
|
Strobeus ? intercalaris Meek and Worthen 1860 snail | |
"Glabrocingulum (Glabrocingulum) grayvillense" = Glabrocingulum grayvillense, "Glabrocingulum (Ananias) nodocostatus" = Ananias nodocostatus
"Glabrocingulum (Glabrocingulum) grayvillense" = Glabrocingulum grayvillense Norwood and Pratten 1855 snail
"Glabrocingulum (Ananias) nodocostatus" = Ananias nodocostatus Hoare 1961 snail | |
| Rhynchonellata | |
|
Wellerella ? osagensis Shumard and Swallow 1858
Wellerella tetrahedra Dunbar and Condra 1932 | |
|
Rhipidomella carbonaria Shumard and Swallow 1858 | |
"Punctospirifer kentuckyensis" = Punctospirifer kentuckensis
"Punctospirifer kentuckyensis" = Punctospirifer kentuckensis Shumard 1855 | |
|
Spirifer opimus Hall 1858 | |
Neospirifer latus, "Neospirifer triplicatus" = Neospirifer dunbari
Neospirifer latus Dunbar and Condra 1932
"Neospirifer triplicatus" = Neospirifer dunbari King 1933 | |
|
Composita subtilita Hall 1852
Composita ovata Mather 1915 | |
|
Hustedia mormoni Marcou 1858 | |
| Strophomenata | |
|
Reticulatia huecoensis King 1931 | |
|
Desmoinesia muricatina Norwood and Pratten 1855 | |
|
Derbyia crassa Meek and Hayden 1858 | |
"Chonetinella crassiradiata" = Chonetinella flemingi crassiradiata, Eolissochonetes bilobatus
"Chonetinella crassiradiata" = Chonetinella flemingi crassiradiata Dunbar and Condra 1932
Eolissochonetes bilobatus Hoare 1960 | |
"Mesolobus lioderma" = Mesolobus mesolobus lioderma, "Mesolobus euampygus" = Mesolobus mesolobus euampygus, "Mesolobus decipiens" = Mesolobus mesolobus decipiens
"Mesolobus lioderma" = Mesolobus mesolobus lioderma Dunbar and Condra 1932
"Mesolobus euampygus" = Mesolobus mesolobus euampygus Girty 1912
"Mesolobus decipiens" = Mesolobus mesolobus decipiens Girty 1912 | |
| Lingulata | |
|
Orbiculoidea missouriensis Shumard 1858 | |