Locality 21. 400 feet east of center of sec. 29, T. 3 N., R. 6 E. (Silurian of the United States)

Where: Pontotoc County, Oklahoma (34.7° N, 96.7° W: paleocoordinates 27.1° S, 60.6° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Henryhouse Formation, Ludlow (427.4 - 423.0 Ma)

• Lower part of formation

• formation-level stratigraphic resolution

Environment/lithology: yellow, blue limestone and shale

• The Henryhouse formation was originally described by C. A. Reeds in 1911 (pp. 261-262) as consisting of "bluish to yellowish, thin- to moderately thick-bedded earthy limestone and intercalated shale beds in the lower 180 feet, while the upper 43 feet is of white marly beds."

Size classes: macrofossils, mesofossils

Reposited in the USNM

Primary reference: T. W. Amsden. 1951. Brachiopods of the Henryhouse Formation (Silurian) of Oklahoma. Journal of Paleontology 25(1 [3]):69-96 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 170253: authorized by Pete Wagner, entered by Pete Wagner on 17.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Orthida - Hesperorthidae
Ptychopleurella rugiplicata
 Orthida - Rhipidomellidae
Rhipidomella henryhousensis
 Orthida - Dalmanellidae
"Parmorthis brownsportensis" = Resserella brownsportensis, Isorthis arcuaria
"Parmorthis brownsportensis" = Resserella brownsportensis Amsden 1949
Isorthis arcuaria Hall and Clarke 1892
 Atrypida - Atrypidae
Atrypa tennesseensis
Strophomenata
 Strophomenida - Amphistrophiidae
"Strophonella prolongata" = Amphistrophia (Amphistrophiella) prolongata
"Strophonella prolongata" = Amphistrophia (Amphistrophiella) prolongata Foerste 1909
 Strophomenida - Strophodontidae
Lissostrophia cooperi