Offshore zone +6, Fort Oglethorpe Quadrangle, Haysville (Ordovician of the United States)

Where: Walker County, Georgia (34.9° N, 85.4° W: paleocoordinates 29.2° S, 66.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Caradoc (458.4 - 449.5 Ma)

• no information given

Environment/lithology: offshore; blue limestone and shale

• blue, flaggy crystalline limestone separated by shale partings

Size class: macrofossils

Primary reference: A. T. Allen and J. G. Lester. 1957. Zonation of the Middle and Upper Ordovician strata in northwestern Georgia. Georgia State Division of Conservation, the Geological Survey Bulletin 66:1-104 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 32553: authorized by Steven Holland, entered by Tori Hanson on 08.07.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Amplexipora colombiana, Petigophora sp.
Amplexipora colombiana
Ulrich & Bassler
Trilobita
 Phacopida - Calymenidae
Flexicalymene sp.
Flexicalymene sp. Shirley 1936 trilobite
Cephalopoda
 Oncocerida - Valcouroceratidae
Augustoceras sp., "Cyrtoceras vallandinghami" = Augustoceras vallandighami, Valcouroceras sp.
Augustoceras sp. Flower 1946
"Cyrtoceras vallandinghami" = Augustoceras vallandighami Miller 1874
?
Valcouroceras sp. Flower 1943
 Oncocerida -
Cyrtoceras sp.
 Orthocerida - Orthoceratidae
Michelinoceras sp.
Michelinoceras sp. Foerste 1932
Gastropoda
 Murchisoniina - Lophospiridae
"Lophospira bowdeni" = Paupospira bowdeni
"Lophospira bowdeni" = Paupospira bowdeni Safford 1869 snail
?
 Murchisoniina - Hormotomidae
Hormotoma sp.
Hormotoma sp. Salter 1859 snail
 Murchisoniina - Eotomariidae
Liospira sp.
Liospira sp. Ulrich and Scofield 1897 snail
Bivalvia
 Myalinida - Ambonychiidae
"Byssonychia sp." = Ambonychia, "Byssonychia intermedia" = Byssonychia intermedius
"Byssonychia sp." = Ambonychia Hall 1847 clam
[entered as Byssonchia sp.]
"Byssonychia intermedia" = Byssonychia intermedius Meek and Worthen 1868 clam
(Meek & Worthen) [entered as Byssonchia intermedia]
Rhynchonellata
 Orthida - Platystrophiidae
Platystrophia juvensis, Platystrophia precursor, Platystrophia strigosa, Platystrophia laticosta, Platystrophia colbiensis, Platystrophia ponderosa, Platystrophia elegantula, Platystrophia crassa, "Platystrophia sublaticosa" = Vinlandostrophia sublaticosa
Platystrophia laticosta James 1871
(Meek)
Platystrophia colbiensis Foerste 1910
and P. colbiensis mutata ?
Platystrophia ponderosa Foerste 1909
Foerste
Platystrophia elegantula McEwan 1919
?
Platystrophia crassa James 1874
James
"Platystrophia sublaticosa" = Vinlandostrophia sublaticosa Zuykov and Harper 2007
(Meek)
 Orthida - Plectorthidae
"Hebertella borealis" = Mimella borealis, Hebertella sinuata, Hebertella occidentalis, Hebertella frankfortensis, Plectorthis fissicosta, Plectorthis plicatella
"Hebertella borealis" = Mimella borealis Billings 1859
Hall & Clarke ?
Hebertella sinuata Hall 1847
(Hall)
Hebertella occidentalis Hall 1847
Hall
Hebertella frankfortensis James 1871
Foerste
Plectorthis plicatella Hall 1847
(Hall)
 Atrypida - Anazygidae
"Zygospira recurvirostris" = Anazyga recurvirostra, Zygospira sp., Zygospira modesta
"Zygospira recurvirostris" = Anazyga recurvirostra Hall 1847
(Hall)
Zygospira sp. Hall 1862
Zygospira modesta Hall 1847
Say
 Rhynchonellida - Rhynchotrematidae
"Rhynchotrema capax" = Hiscobeccus capax
"Rhynchotrema capax" = Hiscobeccus capax Conrad 1842
(Conrad)
 Rhynchonellida - Orthorhynchulidae
Orthorhynchula linneyi
Orthorhynchula linneyi James 1881
(James)
Strophomenata
 Strophomenida - Rafinesquinidae
Rafinesquina alternata
Rafinesquina alternata Conrad 1838
(Emmons_
Stenolaemata
 Cryptostomata - Escharoporidae
Escharopora falciformis
 Cystoporata - Constellariidae
Constellaria sp., Constellaria prominens
Constellaria sp. Dana 1846
 Trepostomida - Amplexoporidae
Monotrypa intabulata
Monotrypa intabulata
Winchell & Ulrich
 Trepostomida - Monticuliporidae
Prasopora sp., Atactoporella sp., Homotrypa sp., Homotrypa cincinnatiensis, Homotrypa cylindrica, Homotrypa flabellaris, Homotrypa grandis, Homotrypa obliqua, Homotrypa curvata
Prasopora sp. Nicholson and Etheridge 1877
Atactoporella sp. Ulrich 1883
Homotrypa sp. Ulrich 1882
Homotrypa curvata Ulrich 1882
Ulrich
 Trepostomata - Heterotrypidae
Heterotrypa parvulipora, Heterotrypa frondosa, Leptotrypa clavis, Dekayia aspera, Dekayella ulrichi
Heterotrypa parvulipora
Ulrich & Bassler
Heterotrypa frondosa Dorbigny 1850
?
Dekayia aspera Milne-Edwards and Haime 1851
Edwards & Haime
Dekayella ulrichi
Nicholson
 Trepostomata - Halloporidae
"Hallopora dalei" = Hallopora, "Callopora andrewsi" = Hallopora, "Callopora dalei" = Hallopora, "Callopora sigillaroides" = Hallopora, "Callopora subnodosa" = Hallopora, "Callopora ramosa" = Parvohallopora ramosa
"Hallopora dalei" = Hallopora
(Edwards & Haime)
"Callopora andrewsi" = Hallopora
Nicholson
"Callopora dalei" = Hallopora
(Edwards and Haime)
"Callopora sigillaroides" = Hallopora
Nicholson
"Callopora subnodosa" = Hallopora
Ulrich
"Callopora ramosa" = Parvohallopora ramosa Dorbigny 1850
C. ramosa and C. ramosa var. rugosa D'Orbigny
 Trepostomata - Aisenvergiidae
Eridotrypa sp., Eridotrypa mutabilis
Eridotrypa sp. Ulrich 1893
Eridotrypa mutabilis Ulrich 1893
Ulrich
Florideophyceae
  -
"Tetradium fibratum" = Prismostylus fibratum
"Tetradium fibratum" = Prismostylus fibratum Safford 1856
Safford