MF-26. 4.0 km south and 0.6 km west of Marble Hill (Ordovician of the United States)

Also known as Roadcut, just below pallet mill on the southeast side of Missouri Highway 51. 2 km south of Lutesville.

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: Smithville Formation, Cassinian (482.3 - 470.0 Ma)

• N. American E Fauna, Reutterodus andinus zone, middle Blackhillsian.

• group of beds-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 75578: authorized by Pete Wagner, entered by Pete Wagner on 18.10.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
  -
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
 Euomphalina - Macluritidae
Macluritidae sp. Carpenter 1861 snail
 Euomphalina - Raphistomatidae
Ceratopea unguis Yochelson and Bridge 1957 snail
2 opercula, 3 shells
 Euomphalina - Helicotomidae
Lophonema cf. circumlirata Whitfield 1886 snail
 Murchisoniina - Subulitidae
Fusispira obesus Whitfield 1886 snail
 Murchisoniina - Lophospiridae
Lophospira sp. Whitfield 1886 snail
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
Hormotoma aff. artemesia Billings 1865 snail
Hormotoma anna Billings 1859 snail
Trilobita
 Proetida - Bathyuridae
"? Goniotelina "n. sp."" = Acidiphorus
"? Goniotelina "n. sp."" = Acidiphorus Raymond 1925 trilobite
cranidium and free cheek