Hermitage (Silty Nodular Limestone Member) - Wilson, 1949 (Ordovician of the United States)

Where: Tennessee (35.5° N, 86.5° W: paleocoordinates 28.1° S, 66.4° W)

• basin-level geographic resolution

When: Silty nodular limestone Member (Hermitage Formation), Shermanian (457.3 - 449.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; bioturbated, shelly/skeletal, silty packstone

• highly bioturbated, thick-bedded, silty skeletal packstone.

Preservation: original calcite, replaced with calcite

Primary reference: C. W. Wilson. 1949. Pre-Chattanooga stratigraphy in Central Tennessee. Tennessee Division of Geology Bulletin 56:1-415 [S. Holland/S. Holland]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 5351: authorized by Steven Holland, entered by Steven Holland on 27.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• Wilson reports faunal list from Bassler (1932)
Show authors, comments, and common names
Strophomenata
 Strophomenida - Rafinesquinidae
Rafinesquina hermitagensis
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
Rhynchotrema increbescens
 Orthida - Dalmanellidae
Dalmanella fertilis
Dalmanella fertilis Ulrich 1909
 Orthida - Platystrophiidae
Platystrophia hermitagensis, Platystrophia extensa
Platystrophia extensa McEwan 1920
Stenolaemata
 Cystoporata - Constellariidae
Stellipora stipata
 Trepostomida - Amplexoporidae
Amplexopora convoluta
 Cyclostomata - Corynotrypidae
Corynotrypa inflata
Corynotrypa inflata Nicholson 1875
 Cryptostomata - Rhinidictyidae
Rhinidictya sp.
Rhinidictya sp. Ulrich 1882
 Trepostomata - Batostomellidae
Bythopora laxta
Bivalvia
 Modiomorphida - Modiomorphidae
Modiolodon ganti, Modiolodon winchelli, Modiolodon oviformis
Modiolodon oviformis Ulrich 1894 clam
Ostracoda
 Hollinocopida - Tetradellidae
Ceratopsis intermedia, Tetradella quadrilirata
Tetradella quadrilirata Hall and Whitfield 1875 ostracod
 Hollinocopida - Eurychilinidae
Eurychilina sp.
Eurychilina sp. Ulrich 1889 ostracod
 Palaeocopida - Beyrichiidae
Kloedenia praenuntia
Trilobita
 Phacopida - Calymenidae
Calymene sp.
Calymene sp. Brongniart 1822 trilobite
 Phacopida - Cheiruridae
Ceraurus cf. pleurexanthemus
Ceraurus cf. pleurexanthemus Green 1832 trilobite
Anthozoa
 Stauriida - Streptelasmatidae
Streptelasma cf. corniculum
Streptelasma cf. corniculum Hall 1847 horn coral
 Favositida - Favositidae
"Columnaria crenulata" = Saffordophyllum crenulatum
"Columnaria crenulata" = Saffordophyllum crenulatum Bassler 1932 tabulate coral
 Auloporida - Auloporidae
Aulopora trentonensis
Aulopora trentonensis tabulate coral
 Lichenariida - Lichenariidae
Lichenaria grandis, Lichenaria globularis, Lichenaria parva
Lichenaria grandis tabulate coral
Lichenaria globularis tabulate coral
Lichenaria parva tabulate coral
Demospongiae
 Streptosclerophorida - Hindiidae
Hindia sphaeroidalis
Hindia sphaeroidalis Duncan 1879 demosponge
Rhodophyceae
  - Solenoporaceae
Solenopora compacta
Solenopora compacta
Solenopora compacta cerebrum
Tetradium
  -
Tetradium minus