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

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