MR-26. Southeast facing slope, sw of Pine Hollow School, 110 above Birch Tree Rd (Ordovician of the United States)

Also known as Eminence Quadrangle NW¼ NW¼ NW¼ sec. 30 T. 28 N., R. 4 W.

Where: Shannon County, Missouri (37.0° N, 91.5° W: paleocoordinates 23.6° S, 82.1° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Roubidoux Formation, Migneintian (485.4 - 478.6 Ma)

• Lower Jeffersonian

• bed-level stratigraphic resolution

Environment/lithology: lithified, cherty/siliceous limestone

Size class: macrofossils

Reposited in the USNM

Primary reference: R. L. Heller. 1954. Stratigraphy and paleontology of the Roubidoux Formation of Missouri. State of Missouri Department of Business and Administration, Division of Geological Survey and Water Resources 1-60 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 50204: authorized by Pete Wagner, entered by Pete Wagner on 10.05.2005, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Aulacopleurida - Hystricuridae
Paraplethopeltis minuta n. sp. Heller 1954 trilobite
Hystricurus sp. Raymond 1913 trilobite
Hystricurus elevatus Heller 1954 trilobite
Rhynchonellata
 Pentamerida - Clarkellidae
Gastropoda
 Eogastropoda - Sinuopeidae
"Rhombella umbilicata" = Euconia umbilicata
"Rhombella umbilicata" = Euconia umbilicata Dake and Bridge 1932 snail
 Murchisoniina - Hormotomidae
Hormotoma cf. gracilis Hall 1847 snail