PBDB Collection

Locality 18. Cedar Hill bluffs on north bank of South Fork of Jackfork Creek (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

• group of beds-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 170246: 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
Pentamerida - Parastrophinidae	Anastrophia delicata Anastrophia delicata
Pentamerida - Gypidulidae	Sieberella roemeri Sieberella roemeri
Rhynchonellida - Camarotoechiidae	Camarotoechia carmelensis, Camarotoechia oklahomensis, Camarotoechia filistriata Camarotoechia carmelensis Camarotoechia oklahomensis Camarotoechia filistriata
Orthida - Hesperorthidae	"Schizoramma hami" = Schizonema "Schizoramma hami" = Schizonema
Orthida - Orthidae	Orthostrophia cf. brownsportensis Orthostrophia cf. brownsportensis
Orthida - Dalmanellidae	"Parmorthis brownsportensis" = Resserella brownsportensis, Isorthis arcuaria "Parmorthis brownsportensis" = Resserella brownsportensis Amsden 1949 Isorthis arcuaria Hall and Clarke 1892
Orthida - Rhipidomellidae	Rhipidomella acutisulcata, Rhipidomella subtriangularis, Rhipidomella henryhousensis n. sp. Rhipidomella acutisulcata Amsden 1956 Rhipidomella subtriangularis Amsden 1956 Rhipidomella henryhousensis n. sp. Amsden 1956
Athyridida - Anoplothecidae	Coelospira saffordi Coelospira saffordi
Athyridida - Rhynchospirinidae	Homoeospira subgibbosa Homoeospira subgibbosa
Athyridida - Meristidae	Merista oklahomensis Merista oklahomensis Amsden 1953
Athyridida - Meristellidae	Meristina roemeri Meristina roemeri
Atrypida - Atrypidae	Atrypa tennesseensis Atrypa tennesseensis
Spiriferida - Delthyrididae	Delthyris kozlowskii Delthyris kozlowskii
Strophomenata
Orthotetida - Chilidiopsidae	Fardenia reedsi Fardenia reedsi
Strophomenida - Strophodontidae	Lissostrophia cooperi Lissostrophia cooperi Amsden 1949
Strophomenida - Leptaenoideidae	Leptaenisca irregularis Leptaenisca irregularis Amsden 1951
Strophomenida - Strophonellidae	Strophonella loeblichi Strophonella loeblichi Amsden 1951
Strophomenida - Rafinesquinidae	Leptaena oklahomensis Leptaena oklahomensis Amsden 1951