PBDB Collection

Silica Formation Unit 3 (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; shelly/skeletal, gray limestone

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

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 38452: 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

Strophomenata
Strophomenida - Chonetidae	Devonochonetes fragilis, "Devonochonetes coronatus" = Devonochonetes coronatus, "Chonetes coronatus" = Devonochonetes coronatus Devonochonetes fragilis "Devonochonetes coronatus" = Devonochonetes coronatus Hall 1857 "Chonetes coronatus" = Devonochonetes coronatus Hall 1857
Strophomenida - Strophodontidae	"Strophodonta "demissa"" = Strophodonta (Strophodonta) demissa, Megastrophia concava "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
Atrypida - Atrypidae	Atrypa "reticularis", Pseudoatrypa cf. devoniana Atrypa "reticularis" Linnaeus 1758 Pseudoatrypa cf. devoniana Webster 1921
Spiriferinida - Cyrtinidae	Cyrtina alpenensis Cyrtina alpenensis
Orthida - Schizophoriidae	Schizophoria ferronensis Schizophoria ferronensis
Stenolaemata
Trepostomata - Heterotrypidae	Leioclema alpenense Leioclema alpenense
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
Gastropoda
Euomphalina - Platyceratidae	"Platyostoma lineatum" = Platyostoma lineata "Platyostoma lineatum" = Platyostoma lineata Conrad 1842 snail
Bivalvia
-	Gosselettia triquetra Gosselettia triquetra Hall 1884 clam
Myalinida - Ambonychiidae	Lophonychia cordata Lophonychia cordata Stewart 1933 clam
Ostreida - Pterineidae	Ptychopteria flabellum, Ptychopteria (Actinopteria) boydi Ptychopteria flabellum oyster Ptychopteria (Actinopteria) boydi Conrad 1842 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 - 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 hamiltonae, Favosites turbinatus, Emmonsia arbuscula, Emmonsia radiciformis Favosites hamiltonae tabulate coral Favosites turbinatus 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 auloporoidea tabulate coral