Cedar Springs, Benbolt Fm. (Ordovician of the United States)

Where: Tennessee (35.9° N, 84.1° W)

• Paleocoordinates: 9.1° S, 111.7° W (Wright 2013)

• coordinate based on political unit

When: lower Member (Benbolt Formation), Middle Ordovician (470.0 - 458.4 Ma)

• "M. Ord., lower part of Fm."

Environment/lithology: shallow subtidal; carbonate and shale

• "intercalated sh and nudular biomicrites and biosparites. shallow to mid shelf (no calcareous algae) (B4 [sic]). tectonically active platform

Size class: macrofossils

Primary reference: G. A. Cooper. 1956. New Pennsylvanian Brachiopods. Journal of Paleontology 30(3):521-530 [M. Clapham/K. Badyrka ]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 319: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC0 (CC0)

Taxonomic list

• "Walker, Broadhead and Keller, eds. 1980. Univ. Tenn. Dept Geol Sci. No. 4; Cooper 1956 (brachiopods)"
 Rhombifera - Cheirocrinidae
Coronocystis sp. Paul 1972
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
archaeocrinid and diabolocrinid
 Homocrinida - Homocrinidae
Apodasmocrinus sp. Warn and Strimple 1977 Sea lily
 Glyptosphaeritida - Eumorphocystidae
? Eumorphocystis sp.
originally entered as "? Eumorphocystis sp."
Cephalopoda
 Nautiloidea -
? Nautiloidea indet. Agassiz 1847 nautiloid
originally entered as "? Nautiloidea indet."
Tergomya
 Cyrtonellida - Cyrtonellidae
Cyrtonella sp. Hall 1879
Strophomenata
 Billingsellida - Clitambonitidae
Atelelasma sp. Cooper 1956
 Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
 Strophomenida - Leptellinidae
Palaeostrophomena sp. Holtedahl 1916
Leptellina sp. Ulrich and Cooper 1936
3 species
 Strophomenida - Plectambonitidae
Isophragma sp. Cooper 1956
 Strophomenida - Strophomenidae
Rhipidomena sp. Cooper 1956
 Strophomenida - Rafinesquinidae
"Macrocoelia sp." = Colaptomena
"Macrocoelia sp." = Colaptomena Cooper 1956
 Strophomenida - Furcitellidae
Dactylogonia sp. Ulrich and Cooper 1942
Oepikina sp. Salmon 1942
Rhynchonellata
 Orthida - Dalmanellidae
Eremotrema sp. Cooper 1956
 Orthida - Paurorthidae
Paurorthis sp. Schuchert and Cooper 1931
 Orthida - Plectorthidae
Mimella sp. Cooper 1930
2 species
Plectorthis sp. Hall and Clarke 1892
 Orthida - Hesperorthidae
Ptychopleurella sp. Schuchert and Cooper 1931
 Orthida - Archaeorthidae
Cyrtonotella sp. Schuchert and Cooper 1931
originally entered as "Cyrtonatella sp."
 Orthida - Orthidae
Orthambonites sp. Pander 1830
 Orthida - Glyptorthidae
Glyptorthis sp. Foerste 1914
 Pentamerida - Camerellidae
Camerella sp. Billings 1859
Perimecocoelia sp. Cooper 1956
Lingulata
 Lingulida - Obolidae
Lingulella sp. Salter 1866
 Siphonotretida - Siphonotretidae
Schizambon sp. Walcott 1884
Trilobita
 Phacopida - Cheiruridae
Ceraurus sp. Green 1832 trilobite
 Asaphida - Asaphidae
Isotelus sp. Dekay 1824 trilobite
 Trinucleida - Raphiophoridae
Lonchodomas sp. Angelin 1854 trilobite
originally entered as "Lochodomas sp."
 Corynexochida - Illaenidae
Nanillaenus sp. Jaanusson 1954 trilobite
Bumastus sp. Murchison 1839 trilobite
Illaenus sp. Dalman 1827 trilobite
 Harpetida - Harpetidae
"Paraharpes sp." = Hibbertia, Dolichoharpes sp.
"Paraharpes sp." = Hibbertia Jones and Woodward 1899 trilobite
Dolichoharpes sp. Whittington 1949 trilobite
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Demospongiae
 Lithistida - Streptosolenidae
? Allosaccus sp. demosponge
originally entered as "? Allosaccus sp."