PBDB Collection

Silica Formation Unit 5B (Devonian of the United States)

Where: Ohio (41.7° N, 83.7° W: paleocoordinates 36.4° S, 31.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Silica Formation, Givetian (387.7 - 382.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray, blue, argillaceous limestone

• Overall sequence: Bioclastic limestone; argillaceous limestone; shale. This unit: "limestone, massive, argillaceous, blue-gray, crystalline"

Primary reference: R. V. Kesling and R. B. Chilman. 1975. Strata and megafossils of the Middle Devonian Silica Formation. University of Michigan Papers on Paleontology 8:1-408 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 38455: authorized by Michael Foote, entered by Michael Foote on 21.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Craniata
Craniida - Craniidae	Petrocrania hamiltonensis Petrocrania hamiltonensis
Strophomenata
Strophomenida - Chonetidae	Devonochonetes fragilis, Devonochonetes coronatus Devonochonetes fragilis Devonochonetes coronatus Hall 1857
Strophomenida - Strophodontidae	Pholidostrophia nacrea, "Strophodonta "demissa"" = Strophodonta (Strophodonta) demissa, Megastrophia concava Pholidostrophia nacrea "Strophodonta "demissa"" = Strophodonta (Strophodonta) demissa Conrad 1842 Megastrophia concava
Strophomenida - Leptostrophiidae	Protoleptostrophia perplana Protoleptostrophia perplana Conrad 1839
Rhynchonellata
Spiriferida - Mucrospiriferidae	Mucrospirifer prolificus Mucrospirifer prolificus
Spiriferida - Spinocyrtiidae	Spinocyrtia "euryteines" Spinocyrtia "euryteines"
- Tropidoleptidae	Tropidoleptus carinatus Tropidoleptus carinatus Conrad 1839
Athyridida - Athyrididae	Athyris vittata Athyris vittata
Atrypida - Atrypidae	Atrypa "reticularus", Pseudoatrypa cf. devoniana Atrypa "reticularus" Dalman 1828 Pseudoatrypa cf. devoniana Webster 1921
Spiriferinida - Cyrtinidae	Cyrtina "hamiltonensis" Cyrtina "hamiltonensis" Hall 1857
Rhynchonellida - Leiorhynchidae	? Leiorhynchus ? lucasi ? Leiorhynchus ? lucasi
Orthida - Schizophoriidae	Schizophoria ferronensis Schizophoria ferronensis
Orthida - Rhipidomellidae	Rhipidomella vanuxemi Rhipidomella vanuxemi Hall 1857
Stenolaemata
Cystoporata - Fistuliporidae	Fistulipora vesiculata Fistulipora vesiculata
Cystoporata - Botrylloporidae	Botryllopora socialis Botryllopora socialis
Trepostomida - Atactotoechidae	Leptotrypella ohioensis, Anomalotoechus tuberatus, Anomalotoechus sp. Leptotrypella ohioensis Anomalotoechus tuberatus Anomalotoechus sp. Duncan 1939
Cystoporida - Sulcoreteporidae	Sulcoretepora deissi Sulcoretepora deissi
Cryptostomata - Hyphasmoporidae	Streblotrypa anomala, ? Streblotrypa ? hamiltonensis Streblotrypa anomala ? Streblotrypa ? hamiltonensis
Cryptostomata -	Intrapora irregularis Intrapora irregularis
Cryptostomata - Fenestellidae	Fenestrellina spp., Reteporina striata Fenestrellina spp. d'Orbigny 1849 Reteporina striata
Trepostomata - Heterotrypidae	Leioclema alpenense Leioclema alpenense
Polychaeta
Sabellida - Serpulidae	Spirorbis arkonensis, Spirorbis planum Spirorbis arkonensis Spirorbis planum
Cephalopoda
Nautilida - Centroceratidae	? Centroceras sp. ? Centroceras sp. Hyatt 1884 nautiloid
Oncocerida - Acleistoceratidae	? Acleistoceras sp. ? Acleistoceras sp. Hyatt 1884
Barrandeocerida - Nephriticeratidae	? Nephriticeras sp., ? Heracloceras ? inelegans ? Nephriticeras sp. Hyatt 1884 ? Heracloceras ? inelegans
Orthocerida - Orthoceratidae	"Orthoceras" sp. "Orthoceras" sp. Breynius 1832
Gastropoda
Euomphalina - Platyceratidae	Platyceras (Platyceras) carinatum, Platyceras (Platyceras) rarispinum, Platyceras (Platyceras) bucculentum, "Platyostoma lineatum" = Platyostoma lineata Platyceras (Platyceras) carinatum Hall 1862 snail Platyceras (Platyceras) rarispinum Hall 1859 snail Platyceras (Platyceras) bucculentum Hall 1862 snail "Platyostoma lineatum" = Platyostoma lineata Conrad 1842 snail
Bivalvia
Myalinida - Ambonychiidae	Lophonychia cordata Lophonychia cordata Stewart 1933 clam
Ostreida - Pterineidae	Cornellites flabellum, Limoptera macroptera Cornellites flabellum oyster Limoptera macroptera oyster
Modiomorphida - Modiomorphidae	Modiomorpha mytiloides, Modiomorpha concentrica Modiomorpha mytiloides Conrad 1841 clam Modiomorpha concentrica Conrad 1838 clam
Anthozoa
Cystiphyllida - Cystiphyllidae	Cystiphylloides americanum Cystiphylloides americanum horn coral
Stauriida - Amplexidae	Heterophrentis simplex Heterophrentis simplex horn coral
Stauriida - Bethanyphyllidae	Bethanyphyllum robustum Bethanyphyllum robustum horn coral
Stauriida - Eridophyllidae	Cylindrophyllum delicatulum Cylindrophyllum delicatulum horn coral
Stauriida - Disphyllidae	Hexagonaria anna, Hexagonaria stewartae, Hexagonaria tabulata, Hexagonaria truncata, Billingsastraea longicarinata Hexagonaria anna horn coral Hexagonaria stewartae horn coral Hexagonaria tabulata horn coral Hexagonaria truncata horn coral Billingsastraea longicarinata horn coral
Favositida - Favositidae	Favosites hamiltoniae, Emmonsia arbuscula, Emmonsia radiciformis Favosites hamiltoniae tabulate coral Emmonsia arbuscula tabulate coral Emmonsia radiciformis tabulate coral
Favositida - Pachyporidae	Cladopora roemeri Cladopora roemeri Billings 1860 tabulate coral
Auloporida - Aulocystidae	Aulocystis auloporoidea, Aulocystis flabellata, Aulocystis jacksoni Aulocystis auloporoidea tabulate coral Aulocystis flabellata tabulate coral Aulocystis jacksoni tabulate coral
Auloporida - Auloporidae	Aulopora serpens Aulopora serpens Goldfuss 1829 tabulate coral