Southgate community, Cincinnati Arch, Cincinnati region (Ordovician of the United States)

Where: Ohio (39.0° N, 84.0° W: paleocoordinates 26.9° S, 62.0° W)

• basin-level geographic resolution

When: Southgate Member (Kope Formation), Edenian (460.9 - 449.5 Ma)

• "Edenian"

• member-level stratigraphic resolution

Environment/lithology: offshore ramp; shelly/skeletal mudstone and packstone

• "mid BA4 (S. Holland, pers.comm.). Additional geologic information added by S.M. Holland, 23 September 1999.
• mostly thin-bedded mudstone, with lesser amounts of thin to medium bedded calcisiltite and skeletal packstone and grainstone. skeletal grainstones commonly megarippled and cross-bedded. calcisiltites commonly with planar lamination, hummocky cross-stratification, tool marks, and trace fossils.

Size class: macrofossils

Preservation: original calcite, replaced with phosphate

Primary reference: E. Dalve. 1948. The fossil fauna of the Ordovician in the Cincinnati Region. University Museum, Department of Geology and Geography, University of Cincinnati 1-56 [S. Holland/S. Holland/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 385: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Dalve 1948"
unclassified
  -
Hexactinellida
 Reticulosa - Teganiidae
Rhombodictyon sp. glass sponge
2 species
Stromatoporoidea
 Labechiida - Lophiostromatidae
Dermatostroma sp. Parks 1910 stromatoporoid sponge
Trilobita
 Asaphida - Asaphidae
Isotelus sp. Dekay 1824 trilobite
 Trinucleida - Trinucleidae
Cryptolithus sp. Green 1832 trilobite
 Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936 trilobite
 Odontopleurida - Odontopleuridae
Ceratocephala sp. Warder 1838 trilobite
Odontopleura sp. Emmrich 1839 trilobite
originally entered as "Odonotpleura sp."
 Proetida - Proetidae
Proetus sp. Steininger 1831 trilobite
 Olenida - Olenidae
Triarthrus sp. Green 1832 trilobite
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
ostracodes
Polychaeta
 Eunicemorpha -
 Serpulimorpha -
Lingulata
 Lingulida - Trematidae
Trematis sp. Sharpe 1848
Craniata
 Craniopsida - Craniopsidae
"Pholidops sp." = Craniops
"Pholidops sp." = Craniops Hall 1859
originally entered as "Pholidops sp."
 Craniida - Craniidae
Petrocrania sp. Raymond 1910
3 species
Strophomenata
 Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
 Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
 Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
2 species
Rhynchonellata
 Orthida - Dalmanellidae
Onniella sp. Bancroft 1928
2 species
 Atrypida - Anazygidae
Zygospira sp. Hall 1862
Gymnolaemata
 Cheilostomata - Lacernidae
Arthropoma sp. Levinsen 1909
originally entered as "Arthropora sp."
Stenolaemata
 Trepostomida - Amplexoporidae
Amplexopora sp.
2 species
 Trepostomida - Monticuliporidae
Aspidopora sp. Ulrich 1882
Homotrypa sp. Ulrich 1882
Peronopora sp. Nicholson 1881
 Cryptostomata - Escharoporidae
Escharopora sp. Hall 1847
 Cryptostomata - Ptilodictyidae
Stictoporella sp. Ulrich 1882
 Cryptostomata - Rhinidictyidae
Rhinidictya sp. Ulrich 1882
 Cryptostomata - Arthrostylidae
Arthrostylus sp. Ulrich 1888
 Cryptostomata - Rhinidictyonidae
 Cystoporata - Ceramoporidae
Crepipora sp. Ulrich 1882
Coeloclema sp. Ulrich 1882
2 species
Ceramoporella sp. Ulrich 1882
3 species
 Cyclostomata - Stomatoporidae
Stomatopora sp. Bronn 1825
 Cyclostomata - Oncousoeciidae
Proboscina sp. Audouin 1826
 Cyclostomata - Diastoporidae
Berenicea sp. Lamouroux 1821
 Cyclostomata - Corynotrypidae
Corynotrypa sp. Bassler 1911
  - Phylloporinidae
Chasmatopora sp. Eichwald 1860
 Trepostomata - Trematoporidae
Batostoma sp. Ulrich 1882
2 species
 Trepostomata - Dittoporidae
Hemiphragma sp. Ulrich 1893
 Trepostomata - Halloporidae
Hallopora sp. Bassler 1911
 Trepostomata - Heterotrypidae
Stigmatella sp. Ulrich and Bassler 1906
Dekayella sp. Ulrich 1882
 Trepostomata - Batostomellidae
Bythopora sp. Miller and Dyer 1878
2 species
Bivalvia
 Nuculanida - Cucullellidae
"Cleidophorus sp." = Nuculites
"Cleidophorus sp." = Nuculites Conrad 1841 clam
2 species
 Solemyida - Ctenodontidae
Ctenodonta sp. Salter 1852 clam
4 species
 Myalinida - Ambonychiidae
Ambonychia sp. Hall 1847 clam
 Actinodontida - Cycloconchidae
 Cardiidia - Grammysiidae
Cuneamya sp. Hall and Whitfield 1875 clam
 Pholadomyida - Pholadomyidae
Rhytimya sp. Ulrich 1893 clam
 Modiomorphida - Modiomorphidae
"Psiloconcha sp." = Cymatonota Ulrich 1893 clam
Modiolopsis sp. Hall 1847 clam
3 species
Orthodesma sp. Hall and Whitfield 1875 clam
 Unioni - Lyrodesmatidae
Lyrodesma sp. Conrad 1841 clam
Gastropoda
 Euomphalina - Holopeidae
Cyclora sp. Hall 1845 snail
4 species
 Bellerophontida - Plectonotidae
Tetranota sp. Ulrich and Scofield 1897 snail
 Bellerophontida - Sinuitidae
Sinuites sp. Koken 1896 snail
4 species
  -
Microceras sp. Hall 1845 snail
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
 Murchisoniina - Lophospiridae
Lophospira sp. Whitfield 1886 snail
4 species
 Murchisoniina - Trochonematidae
Trochonema sp. Salter 1859 snail
 Murchisoniina - Eotomariidae
Liospira sp. Ulrich and Scofield 1897 snail
Tergomya
 Cyrtonellida - Cyrtolitidae
Cyrtolites sp. Conrad 1838
 Archinacellida - Archinacellidae
Archinacella sp. Ulrich and Scofield 1897
Cephalopoda
 Tarphycerida - Trocholitidae
Trocholites sp. Conrad 1838
 Oncocerida - Valcouroceratidae
? Augustoceras sp. Flower 1946
originally entered as "? Augustoceras sp."
 Oncocerida - Diestoceratidae
Diestoceras sp. Foerste 1924
 Discosorida - Westonoceratidae
Westonoceras sp. Foerste 1924
3 species
Faberoceras sp. Flower 1946
 Orthocerida - Orthoceratidae
Michelinoceras sp. Foerste 1932
 Orthocerida - Proteoceratidae
Treptoceras sp. Flower 1942
Crinoidea
 Disparida - Heterocrinidae
Heterocrinus sp. Hall 1872 Sea lily
2 species
 Homocrinida - Homocrinidae
Ectenocrinus sp. Miller 1889 Sea lily
2 species
 Myelodactylida - Iocrinidae
Iocrinus sp. Hall 1866 Sea lily
  -
Lichenocrinus sp. Hall 1866 Sea lily
7 species
Edrioasteroidea
  - Pyrgocystidae
Streptaster sp. Hall 1872
Pterobranchia
 Dendroidea - Acanthograptidae
Dictyonema sp. Hall 1851 graptolite
 Graptoloidea - Mastigograptidae
Mastigograptus sp. Ruedemann 1908 graptolite
 Graptoloidea - Climacograptidae
Climacograptus sp. Hall 1865 climacograptid