Road cut 4.7 miles (7.1 Km) south of the New London (Ordovician of the United States)

Also known as Section 53 of Kolata et al (1986).

Where: Ralls County, Missouri (39.5° N, 91.4° W: paleocoordinates 22.5° S, 66.1° W)

When: Zell Member (Macy Formation), Turinian (457.3 - 453.8 Ma)

• 1.25 m below Deicke K-bentonite Bed.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray mudstone and poorly lithified, gray wackestone

• Light gray, mudstone/wackestone with sharp base that is an apparent dissolution surface. This surface may be a hard ground, but there is no direct evidence (NL-4: 2 m

Size class: mesofossils

Reposited in the OSU

Primary reference: S. A. Leslie. 1997. Apparatus Architecture of Belodina (Conodonta): Interpretations Based on Fused Clusters of Belodina compressa (Branson and Mehl, 1933) from the Middle Ordovician (Turinian) Plattin Limestone of Missouri and Iowa. Journal of Paleontology 71(5):921-926 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176649: authorized by Pete Wagner, entered by Pete Wagner on 22.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Prioniodontida - Polyplacognathidae
Polyplacognathus ramosus
 Prioniodontida - Chirognathidae
Curtognathus sp.
Curtognathus sp. Branson and Mehl 1933 conodont
 Prioniodontida -
Oulodus sp.
Oulodus sp. Branson and Mehl 1933 conodont
 Belodellida -
Besselodus variabilis
 Panderodontida - Panderodontidae
Belodina compressa, Panderodus gracilis
Belodina compressa Branson and Mehl 1933 conodont
Panderodus gracilis Branson and Mehl 1933 conodont
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus
Drepanoistodus suberectus Branson and Mehl 1933 conodont
 Ozarkodinida -
Plectodina edentula