Mt. Hope community, Mt. Hope Fm., Cincinnati Arch, Cincinnati region (Ordovician of the United States)

Where: Ohio (39.0° N, 84.0° W: paleocoordinates 26.6° S, 60.0° W)

• basin-level geographic resolution

When: Mt. Hope Member (Fairview Formation), Maysvillian (450.2 - 449.6 Ma)

• "lower Maysvillian"

• member-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; lithified, shelly/skeletal packstone and mudstone

• "BA3 (S.Holland, pers.comm.); receptaculitids present" Additional Geographic, Stratigraphic, and Geologic Information added by S.M. Holland, 23 September 1999, as well as the complete species-level lists of Dalve, 1948.
• interbedded mudstones and limestones in roughly equal proportions. mudstones thin-bedded. limestones consist of thin to medium-bedded calcisiltites, skeletal packstones, and skeletal grainstones. skeletal grainstones commonly cross-bedded and megarippled. calcisiltites with hummocky cross-stratification and planar lamination, 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 387: 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"
Show authors, comments, and common names
Scyphozoa
 Conulariida - Conulariidae
Conularia sp.
Conularia sp. Miller 1820 jellyfish
Hexactinellida
 Lyssacinosa - Brachiospongiidae
Brachiospongia sp.
Brachiospongia sp. Marsh 1867 glass sponge
Demospongiae
 Streptosclerophorida - Hindiidae
Hindia sp.
Hindia sp. Duncan 1879 demosponge
Crinoidea
  -
Lichenocrinus sp.
Lichenocrinus sp. Hall 1866 Sea lily
 Myelodactylida - Iocrinidae
Iocrinus sp.
Iocrinus sp. Hall 1866 Sea lily
 Homocrinida - Homocrinidae
Ectenocrinus sp.
Ectenocrinus sp. Miller 1889 Sea lily
Ophiuroidea
 Oegophiurida - Protasteridae
"Alepidaster sp." = Taeniaster
"Alepidaster sp." = Taeniaster Billings 1858 brittle star
Asteroidea
 Euaxosida - Mesopalaeasteridae
Mesopalaeaster sp.
Mesopalaeaster sp. Schuchert 1914 sea star
 Hadrosida - Promopalaeasteridae
Promopalaeaster sp.
Promopalaeaster sp. Schuchert 1914 sea star
Gastropoda
  -
Microceras sp.
Microceras sp. Hall 1845 snail
 Euomphalina - Platyceratidae
Cyclonema sp.
Cyclonema sp. Hall 1852 snail
2 species
 Euomphalina - Holopeidae
Cyclora sp.
Cyclora sp. Hall 1845 snail
4 species
 Murchisoniina - Gosseletinidae
Schizolopha sp.
Schizolopha sp. Ulrich and Scofield 1897 snail
 Murchisoniina - Lophospiridae
Lophospira sp.
Lophospira sp. Whitfield 1886 snail
3 species
 Bellerophontida - Sinuitidae
Sinuites sp.
Sinuites sp. Koken 1896 snail
Tergomya
 Cyrtonellida - Cyrtolitidae
Cyrtolites sp.
Cyrtolites sp. Conrad 1838
Cephalopoda
 Actinocerida - Ormoceratidae
Troedssonoceras sp.
Troedssonoceras sp. Foerste 1928
2 species
 Orthocerida - Proteoceratidae
Treptoceras sp.
Treptoceras sp. Flower 1942
 Oncocerida - Oncoceratidae
Vaupelia sp.
Vaupelia sp. Flower 1946
Bivalvia
 Modiomorphida - Modiomorphidae
Orthodesma sp., ? Modiolopsis sp.
Orthodesma sp. Hall and Whitfield 1875 clam
? Modiolopsis sp. Hall 1847 clam
originally entered as "? Modiolopsis sp."
 Pholadomyida -
Sphenolium sp.
Sphenolium sp. Miller 1889 clam
 Ostreida - Pterineidae
"Caritodens sp." = Pterinea
"Caritodens sp." = Pterinea Goldfuss 1832 oyster
2 species
 Myalinida - Ambonychiidae
Ambonychia sp.
Ambonychia sp. Hall 1847 clam
 Solemyida - Ctenodontidae
Ctenodonta sp.
Ctenodonta sp. Salter 1852 clam
3 species
 Nuculanida - Cucullellidae
"Cleidophorus sp." = Nuculites
"Cleidophorus sp." = Nuculites Conrad 1841 clam
Gymnolaemata
 Cheilostomata - Lacernidae
Arthropoma sp.
Arthropoma sp. Levinsen 1909
originally entered as "Arthropora sp."
Stenolaemata
 Trepostomida - Amplexoporidae
Amplexopora sp.
 Trepostomida - Monticuliporidae
Peronopora sp., Homotrypa sp.
Peronopora sp. Nicholson 1881
Homotrypa sp. Ulrich 1882
2 species
 Trepostomata - Halloporidae
Hallopora sp.
Hallopora sp. Bassler 1911
2 species
 Trepostomata - Trematoporidae
Batostoma sp.
Batostoma sp. Ulrich 1882
 Cyclostomata - Stomatoporidae
Stomatopora sp.
Stomatopora sp. Bronn 1825
 Cyclostomata - Corynotrypidae
Corynotrypa sp.
Corynotrypa sp. Bassler 1911
 Cystoporata - Ceramoporidae
Ceramoporella sp.
Ceramoporella sp. Ulrich 1882
 Cryptostomata - Rhinidictyonidae
Dicranopora sp.
Dicranopora sp.
2 species
 Cryptostomata - Arthrostylidae
Arthrostylus sp.
Arthrostylus sp. Ulrich 1888
 Cryptostomata - Escharoporidae
Escharopora sp.
Escharopora sp. Hall 1847
2 species
Lophophorata
 Tentaculitida - Cornulitidae
Cornulites sp.
Cornulites sp. Schlotheim 1820
Lingulata
 Lingulida - Trematidae
Trematis sp.
Trematis sp. Sharpe 1848
Rhynchonellata
 Orthida - Dalmanellidae
Onniella sp.
Onniella sp. Bancroft 1928
 Orthida - Plectorthidae
Plectorthis sp., Hebertella sp.
Plectorthis sp. Hall and Clarke 1892
2 species
Hebertella sp. Hall and Clarke 1892
 Orthida - Platystrophiidae
Platystrophia sp.
Platystrophia sp. King 1850
3 species
 Atrypida - Anazygidae
Zygospira sp.
Zygospira sp. Hall 1862
2 species
Strophomenata
 Strophomenida - Strophomenidae
Strophomena sp.
Strophomena sp. Rafinesque and De Blainville 1824
 Strophomenida - Rafinesquinidae
Rafinesquina sp.
Rafinesquina sp. Hall and Clarke 1892
Craniata
 Craniida - Craniidae
Petrocrania sp.
Petrocrania sp. Raymond 1910
2 species
 Craniopsida - Craniopsidae
"Pholidops sp." = Craniops
"Pholidops sp." = Craniops Hall 1859
originally entered as "Pholidops sp."
Polychaeta
 Serpulimorpha -
Serpulites sp.
 Cuniculepadida - Lepidocoleidae
Lepidocoleus sp.
Lepidocoleus sp. Faber 1886 scale worm
  - Leodicidae
Eunicites sp.
Eunicites sp. Ehlers 1868
originally entered as "Lumbriconereites sp."
 Eunicemorpha -
Nereidavus sp., Arabellites sp.
Sedentaria
 Sabellida - Serpulidae
Spirorbis sp.
Spirorbis sp. Daudin 1800
originally entered as "Spirobis sp."
Trilobita
 Phacopida - Pterygometopidae
Achatella sp.
Achatella sp. Delo 1935 trilobite
 Phacopida - Calymenidae
Flexicalymene sp.
Flexicalymene sp. Shirley 1936 trilobite
 Odontopleurida - Odontopleuridae
Ceratocephala sp.
Ceratocephala sp. Warder 1838 trilobite
2 species
 Trinucleida - Trinucleidae
Cryptolithus sp.
Cryptolithus sp. Green 1832 trilobite
 Asaphida - Asaphidae
Isotelus sp.
Isotelus sp. Dekay 1824 trilobite
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod