Upper section, Osgood Shale Formation; Southeastern Materials Corporation quarry (Silurian of the United States)

Where: Ripley County, Indiana (39.0° N, 85.0° W: paleocoordinates 27.8° S, 51.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Upper section Member (Osgood Shale Formation), Silurian (443.4 - 419.2 Ma)

• Listed as Niagaran, Osgood

Environment/lithology: deep subtidal shelf; poorly lithified, calcareous shale and lithified, coarse-grained, gray, argillaceous limestone

• Gray, highly calcareous shale with thin-bedded, gray, course-grained, argillaceous limestone

Size classes: macrofossils, mesofossils

Primary reference: T.G. Perry and D.E. Hattin. 1960. Osgood (Niagaran) bryozoans from the type area. Journal of Paleontology 34:85-90 [P. Novack-Gottshall/P. Hearn]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 75266: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 01.10.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Illaenidae
Bumastus ioxus Hall 1868 trilobite
 Phacopida - Dalmanitidae
 Phacopida - Calymenidae
Calymene celebra Raymond 1916 trilobite
Strophomenata
 Strophomenida - Sowerbyellidae
"Plectodonta transversalis" = Eoplectodonta (Eoplectodonta) transversalis Wahlenberg 1818
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818
 Strophomenida - Strophodontidae
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852
Chileata
 Dictyonellida - Eichwaldiidae
Dictyonella cf. coralifera Hall 1852
Originally D. cf. corallifera; assumed spelling error
Rhynchonellata
 Athyridida - Meristellidae
 Athyridida - Nucleospiridae
 Spiriferida - Cyrtiidae
 Spiriferida - Delthyrididae
 Pentamerida - Pentameridae
"Barrandella fornicata" = Pentamerus (Barrandella)
"Barrandella fornicata" = Pentamerus (Barrandella)
 Atrypida - Atrypidae
"Atrypa nodostriata" = Eospinatrypa nodostriata Hall 1852
Atrypa reticularis Linnaeus 1758
 Atrypida - Atrypinidae
 Rhynchonellida - Trigonirhynchiidae
 Rhynchonellida - Camarotoechiidae
 Orthida - Dalmanellidae
"Parmorthis waldronensis" = Resserella
"Parmorthis waldronensis" = Resserella
 Orthida - Orthidae
 Orthida - Hesperorthidae
Gastropoda
 Euomphalina - Platyceratidae
"Platyceras niagarense" = Platyceras niagarensis, Platyostoma brownsportense, "Platyostoma niagarense" = Platyostoma niagarensis
"Platyceras niagarense" = Platyceras niagarensis Hall 1852 snail
Platyostoma brownsportense Foerste 1903 snail
"Platyostoma niagarense" = Platyostoma niagarensis Hall 1852 snail
 Murchisoniina - Loxonematidae
Loxonema sp. Phillips 1841 snail
Cephalopoda
 Orthocerida - Dawsonoceratidae
Stenolaemata
 Cystoporida - Fistuliporidae
 Cryptostomata - Rhinidictyidae
 Trepostomata - Atactotoechidae
 Trepostomata - Heterotrypidae
 Trepostomata - Halloporidae
 Trepostomata - Amplexoporidae
 Trepostomata - Trematoporidae
Trematopora sp. Hall 1852
 Cystoporata - Xenotrypidae
Hennigopora apta Perry et al. 1960
 Cystoporata - Ceramoporidae
Coronoidea
 Coronata - Stephanocrinidae
 Rhombifera - Caryocrinitidae
Crinoidea
 Pisocrinida - Pisocrinidae
Diploporita
 Sphaeronitida - Holocystitidae
Anthozoa
 Favositida - Favositidae
Favosites cristatus tabulate coral
Favosites discoideus tabulate coral
Favosites forbesi tabulate coral
 Favositida - Pachyporidae
Striatopora flexuosa Hall 1852 tabulate coral
 Stauriida - Metriophyllidae
 Stauriida - Streptelasmatidae
 Stauriida - Ditoecholasmatidae