Arnheim - type Cincinnatian: Richmondian, Ohio
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Rhopolonaria venosa
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Faberia anomala
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Scolithos laxata
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Protozoa
- Spumellaria
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Beatricea undulata
Billings 1857
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unclassified
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Buthotrephis gracilis
Hall 1847
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[entered as Buthtrephis gracilis] | ||||||||||
Chlorophyceae
- Dasycladales
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Pasceolus camdenensis
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Asteroidea
- Euaxosida
- Mesopalaeasteridae
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Mesopalaeaster wilberanus
(Meek and Worthen 1862)
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Asteroidea
- Euaxosida
- Palasterinidae
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Petraster speciosus
(Miller and Dyer 1878)
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recombined as Jugiaster speciosus | ||||||||||
Asteroidea
- Hadrosida
- Promopalaeasteridae
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Promopalaeaster wykoffi
(Miller and Gurley 1897)
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Promopalaeaster granulosus
(Hall 1868)
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Asteroidea
- Hadrosida
- Urasterellidae
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Urasterella grandis
(Meek 1872)
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recombined as Salteraster grandis | ||||||||||
Asteroidea
- Hadrosida
- Hudsonasteridae
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Hudsonaster incomptus
(Meek 1872)
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Crinoidea
- Monobathrida
- Tanaocrinidae
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Glyptocrinus richardsoni
Wetherby 1880
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recombined as Canistrocrinus richardsoni | ||||||||||
Cyclocystoidea
- Cyclocystoididae
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Cyclocystoides magnus
Miller and Dyer 1878
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recombined as Zygocycloides magnus | ||||||||||
Cyclocystoides minus
Miller and Dyer 1878
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synonym of Zygocycloides magnus | ||||||||||
Edrioasteroidea
- Hemicystitidae
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Carneyella foerstei
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Edrioasteroidea
- Pyrgocystidae
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Streptaster vorticellatus
Hall 1866
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Edrioasteroidea
- Isorophidae
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Isorophus holbrooki
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Isorophus warrenensis
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Pterobranchia
- Graptoloidea
- Mastigograptidae
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Mastigograptus strictus
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Pterobranchia
- Graptoloidea
- Diplograptidae
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Diplograptus recurrens
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Diplograptus sp.
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Polychaeta
- Eunicemorpha
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Nereidavus varians
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Tentaculita
- Cornulitida
- Cornulitidae
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Cornulites flexuosus
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Tergomya
- Archinacellida
- Archinacellidae
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Archinacella rugatina
Ulrich and Scofield 1897
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Tergomya
- Cyrtonellida
- Cyrtolitidae
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Microceras inornatum
Hall 1845
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recombined as Cyrtolites inornatum | ||||||||||
Cyrtolites ornatus
Conrad 1838
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Cephalopoda
- Orthocerida
- Proteoceratidae
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Treptoceras spp.
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Cephalopoda
- Endocerida
- Endoceratidae
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Endoceras sp.
Hall 1847
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Cephalopoda
- Ascocerida
- Probillingsitidae
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Probillingsites lebanonensis
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Cephalopoda
- Ascocerida
- Hebetoceratidae
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Ecdyceras foerstei
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Gastropoda
- Euomphalina
- Platyceratidae
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Cyclonema bilix
(Conrad 1842)
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Cyclora minuta
Hall 1845
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recombined as Cyclonema minuta | ||||||||||
Cyclonema humerosum
Ulrich and Scofield 1897
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Gastropoda
- Euomphalina
- Holopeidae
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Cyclora depressa
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Cyclora hoffmani
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Cyclora pulcella
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Cyclora parvula
(Hall 1845)
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Gastropoda
- Bellerophontida
- Sinuitidae
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Sinuites cancellata
(Hall 1847)
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recombined as Sinuites cancellatus | ||||||||||
Gastropoda
- Murchisoniina
- Lophospiridae
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Lophospira tropidophora
(Meek 1873)
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Scalites tropidophora | ||||||||||
Lophospira bowdeni
(Safford 1869)
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recombined as Paupospira bowdeni | ||||||||||
Lophospira pulchella
Ulrich and Scofield 1897
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synonym of Lophospira perangulata | ||||||||||
Lophospira bicincta
(Hall 1847)
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synonym of Lophospira milleri | ||||||||||
Gastropoda
- Murchisoniina
- Eotomariidae
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Liospira rugata
Ulrich and Scofield 1897
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recombined as Paraliospira rugata | ||||||||||
Bivalvia
- Nuculanida
- Cucullellidae
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Cleidophorus faberi
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synonym of Nuculites | ||||||||||
Cleidophorus fabula
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synonym of Nuculites | ||||||||||
Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta recurva
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Ctenodonta madisonensis
Ulrich 1894
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Bivalvia
- Nuculida
- Nucularcidae
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Ctenodonta cingulata
(Ulrich 1879)
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recombined as Nucularca cingulata | ||||||||||
Bivalvia
- Pholadomyida
- Pholadomyidae
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Rhytimya faberi
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Rhytimya lunulata
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Modiolodon subovalis
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Modiolopsis capax
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Orthodesma canaliculatum
Ulrich 1894
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Cymatonota constricta
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Cymatonota cylindrica
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Bivalvia
- Myalinida
- Ambonychiidae
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Anomalodonta costata
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Anomalodonta alata
(Meek 1872)
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recombined as Ambonychia alata | ||||||||||
Byssonychia radiata
(Hall 1847)
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synonym of Byssonychia radiata | ||||||||||
Opisthoptera concordensis
Foerste 1910
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recombined as Maryonychia concordensis | ||||||||||
Bivalvia
- Ostreida
- Pterineidae
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Caritodens demissa
(Conrad 1842)
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recombined as Pterinea demissa | ||||||||||
Bivalvia
- Cyrtodontida
- Cyrtodontidae
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Cyrtodonta halli
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Lingulata
- Lingulida
- Trematidae
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Trematis reticularis
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Trematis millepunctata
Hall 1875
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Craniata
- Craniida
- Craniidae
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Petrocrania laelia
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Petrocrania scabiosa
(Hall 1866)
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Rhynchotrema capax
(Conrad 1842)
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recombined as Hiscobeccus capax | ||||||||||
Rhynchonellata
- Atrypida
- Anazygidae
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Zygospira modesta
(Hall 1847)
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Dinorthis carleyi
(Hall 1860)
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Rhynchonellata
- Orthida
- Platystrophiidae
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Platystrophia foerstei
McEwan 1919
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recombined as Vinlandostrophia foerstei | ||||||||||
Platystrophia wallowayi
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Platystrophia cypha
(James 1874)
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original and current combination Orthis cypha | ||||||||||
Platystrophia ponderosa
Foerste 1909
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Rhynchonellata
- Orthida
- Plectorthidae
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Hebertella occidentalis
(Hall 1847)
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanella meeki
(Miller 1875)
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recombined as Cincinnetina meeki | ||||||||||
Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena concordensis
Foerste 1909
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Strophomena planumbona
(Hall 1847)
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptaena richmondensis
Foerste 1909
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Rafinesquina alternata
(Conrad 1838)
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Hyolithida
- Hyolithidae
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Hyolithes parviusculus
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Hyolithes versaillensis
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Hyolithes dubius
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Stenolaemata
- Trepostomata
- Batostomellidae
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Bythopora delicatula
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Bythopora striata
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Stenolaemata
- Trepostomata
- Heterotrypidae
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Petigopora offfula
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synonym of Dekayia | ||||||||||
Stigmatella catenulata
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Stigmatella dychei
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Stigmatella crenulata
Ulrich and Bassler 1906
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Stenolaemata
- Trepostomata
- Halloporidae
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Hallopora subnodosa
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Hallopora bassleri
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Hallopora flabellaris
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Hallopora libana
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Hallopora nicklesi
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Stenolaemata
- Trepostomata
- Trematoporidae
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Batostoma varians
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Stenolaemata
- Cystoporata
- Ceramoporidae
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Ceramoporella ohioensis
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Ceramoporella granulosa
Ulrich 1890
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Coeloclema oweni
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Stenolaemata
- Cyclostomata
- Diastoporidae
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Berenicea primitiva
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Stenolaemata
- Cyclostomata
- Corynotrypidae
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Corynotrypa inflata
(Nicholson 1875)
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Corynotrypa delicatula
(James 1878)
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Stenolaemata
- Cyclostomata
- Sagenellidae
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Proboscina auloporoides
(Nicholson 1875)
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recombined as Tubulotrypa auloporoides | ||||||||||
Proboscina frondosa
(Nicholson 1875)
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synonym of Tubulotrypa auloporoides | ||||||||||
Stenolaemata
- Trepostomida
- Amplexoporidae
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Amplexopora pustulosa
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Amplexopora robusta
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Rhombotrypa subquadrata
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Stenolaemata
- Trepostomida
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Nicholsonella peculiaris
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Stenolaemata
- Trepostomida
- Monticuliporidae
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Peronopora decipiens
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Mesotrypa orbiculata
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Homotrypella dubia
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Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Dicranopora emacerata
(Nicholson 1875)
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recombined as Stictopora emacerata | ||||||||||
Trilobita
- Asaphida
- Asaphidae
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Isotelus megistos
Locke 1842
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Isotelus maximus
Locke 1838
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Trilobita
- Phacopida
- Calymenidae
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Flexicalymene meeki
(Foerste 1910)
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Trilobita
- Phacopida
- Cheiruridae
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Ceraurinus icarus
(Billings 1860)
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Ostracoda
- Beyrichicopida
- Aechminidae
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Aechmina richmondensis
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Ostracoda
- Beyrichicopida
- Bolliidae
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Ulrichia nodosa
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Bollia persulcata
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Bollia regularis
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Ostracoda
- Leperditellocopida
- Primitiidae
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Primitia cincinnatiensis
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Ostracoda
- Leperditellocopida
- Aparchitidae
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Aparchites minutissimus
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Aparchites oblongus
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Ostracoda
- Palaeocopida
- Hollinidae
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Ctenobolbina hammeli
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Ostracoda
- Podocopida
- Bythocyprididae
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Bythocypris cylindrica
(Hall 1871)
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recombined as Phelobythocypris cylindrica | ||||||||||
Coleolidae
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Coleolus iowensis
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Scyphozoa
- Conulariida
- Conulariidae
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Conularia formosa
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Anthozoa
- Stauriida
- Columnariidae
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Columnaria calicina
Nicholson 1874
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Stromatoporoidea
- Labechiida
- Lophiostromatidae
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Dermatostroma scabrum
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Stromatoporoidea
- Labechiida
- Aulaceratidae
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Beatricea nodulosa
Billings 1857
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unclassified
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Arthraria biclavata
Miller 1875
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Rusophycus biloba
Vanuxem 1842
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see common names |
Geography
Country: | United States | State/province: | Ohio |
Coordinates: | 39.0° North, 84.0° West (view map) | ||
Paleocoordinates: | 26.1° South, 58.0° West | ||
Geographic resolution: | basin |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
*Period: | Late/Upper Ordovician | *Epoch: | Middle Ashgill | *Local age/stage: | Early/Lower Richmondian |
Key time interval: | Richmondian | Conodont zone: | Amorphognathus superbus |
Age range of interval: | 449.80000 - 446.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Arnheim | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: Richmondian; Includes collections from both Sunset and Oregonia Members of Arnheim Formation. Sunset includes two distinct facies, one was deposited in a deep subtidal ramp environment and the other was deposited in a shallow subtidal environment. Oregonia was deposited in a shallow subtidal environment. |
Lithology and environment
Primary lithology: | hummocky CS,bioturbation,phosphatic argillaceous packstone | ||
Secondary lithology: | mudstone | ||
Includes fossils? | Y | ||
Includes fossils? | Y | ||
Lithology description: oregonia member of arnheim consists of nodular to very thinly and wavy bedded skeletal phosphatic packstones and grainstones, interbedded with mudstone. kentucky facies of sunset consists of medium to thin bedded skeletal wackestones to packstones interbedded with very thin beds of mudstone. ohio/indiana facies of sunset member consists of roughly even proportions of thin-bedded mudstone and thin to medium bedded skeletal packstone to grainstone. | |||
Environment: | carbonate indet. | Tectonic setting: | foreland basin |
Geology comments: Geological information from field notes of S.M. Holland |
Taphonomy
Modes of preservation: | body,original calcite,replaced with phosphate |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection methods: | field collection,observed (not collected) |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 5326 | ||
Authorizer: | S. Holland | Enterer: | S. Holland |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 1999-09-23 11:01:44 | Last modified: | 2018-03-31 22:07:04 |
Access level: | the public | Released: | 1999-09-23 11:01:44 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
316. | 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] |