Also known as Roadcuts, south side of Missouri Highway no. 34
Where: Bollinger County, Missouri (37.3° N, 90.0° W: paleocoordinates 25.2° S, 76.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Upper Beds Member (Smithville Formation), Cassinian (482.3 - 470.0 Ma)
• N. American E Fauna, Reutterodus andinus zone, middle Blackhillsian
• member-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Preservation: replaced with silica
Reposited in the USNM
Collection methods: bulk, hydrochloric
Primary reference: M. F. Fix. 1975. The Paleontology and stratigraphy of the Smithville and Blackrock Formations of Southeastern Missouri. M.S. Thesis, Geology, Washington University 1-147 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 75520: authorized by Pete Wagner, entered by Pete Wagner on 15.10.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Cephalopoda | |
Cephalopoda indet. Cuvier 1797 | |
Gastropoda | |
"Loxoplocus (Lophospira) indet." = Lophospira, Lophospira perangulata
"Loxoplocus (Lophospira) indet." = Lophospira Whitfield 1886 snail
Lophospira perangulata Hall 1847 snail | |
? Straparollina sp. Billings 1865 snail
Straparollina cassina Whitfield 1886 snail | |
Hormotoma aff. artemesia Billings 1865 snail | |
Fusispira cf. obesus Whitfield 1886 snail | |
"Murchisonia (Turritoma) cf. acrea" = Turritoma acrea, Clathrospira indet., "Clathrospira virguncula" = Clathrospira virguncula, "Clathrospira laflinensis" = Clathrospira virguncula
"Murchisonia (Turritoma) cf. acrea" = Turritoma acrea Billings 1865 snail
Clathrospira indet. Ulrich and Scofield 1897 snail
"Clathrospira virguncula" = Clathrospira virguncula Billings 1865 snail
"Clathrospira laflinensis" = Clathrospira virguncula Billings 1865 snail | |
"? Lophonema (? Lophonema) indet." = Lophonema, Lophonema aff. circumlirata, Lophonema taneyensis, "? Polhemia "n. sp."" = Lophonema
"? Lophonema (? Lophonema) indet." = Lophonema Purdue and Miser 1916 snail
Lophonema aff. circumlirata Whitfield 1886 snail
Lophonema taneyensis Cullison 1944 snail
"? Polhemia "n. sp."" = Lophonema Purdue and Miser 1916 snail | |
Ceratopea sp. Ulrich 1911 snail
"Roubidouxia aff. depressa" = Ceratopea depressa Butts 1926 snail | |
"Maclurites smithvillensis" = Teiichispira ponderosa
"Maclurites smithvillensis" = Teiichispira ponderosa Billings 1865 snail | |
Ostracoda | |
? Eoleperditia "sp. A" Swartz 1949 ostracod | |
Ceratoleperditia sp. Harris 1960 ostracod |