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 | |
Cephalopoda | |
"Orthoceras" sp. Breynius 1832 | |
? Nephriticeras sp. Hyatt 1884 | |
? Acleistoceras sp. Hyatt 1884 | |
? Centroceras sp. Hyatt 1884 nautiloid | |
Gastropoda | |
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 | |
Modiomorpha concentrica Conrad 1838 clam
Modiomorpha mytiloides Conrad 1841 clam | |
Lophonychia cordata Stewart 1933 clam | |
Cornellites flabellum oyster
Limoptera macroptera oyster | |
Craniata | |
Rhynchonellata | |
Pseudoatrypa cf. devoniana Webster 1921
Atrypa "reticularus" Dalman 1828 | |
Tropidoleptus carinatus Conrad 1839 | |
Cyrtina "hamiltonensis" Hall 1857 | |
Rhipidomella vanuxemi Hall 1857 | |
Strophomenata | |
Protoleptostrophia perplana Conrad 1839 | |
"Strophodonta "demissa"" = Strophodonta (Strophodonta) demissa, Pholidostrophia nacrea, Megastrophia concava
"Strophodonta "demissa"" = Strophodonta (Strophodonta) demissa Conrad 1842 | |
Stenolaemata | |
Fenestrellina spp. d'Orbigny 1849 | |
Anthozoa | |
Cystiphylloides americanum horn coral | |
Bethanyphyllum robustum horn coral | |
Cylindrophyllum delicatulum horn coral | |
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 | |
Heterophrentis simplex horn coral | |
Cladopora roemeri Billings 1860 tabulate coral | |
Emmonsia arbuscula tabulate coral
Emmonsia radiciformis tabulate coral
Favosites hamiltoniae tabulate coral | |
Aulocystis auloporoidea tabulate coral
Aulocystis flabellata tabulate coral
Aulocystis jacksoni tabulate coral | |
Aulopora serpens Goldfuss 1829 tabulate coral |