Silica Formation Unit 10 (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, argillaceous limestone
• Overall sequence: Bioclastic limestone; argillaceous limestone; shale. This unit: "limestone, argillaceous, 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 38461: 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
unclassified | |
Anthozoa | |
Planalveolitella parasitica tabulate coral | |
Bivalvia | |
Paracyclas lirata clam | |
Lyriopecten mitchelli scallop
Pseudaviculopecten scabridus scallop | |
Ptychopteria (Actinopteria) boydi, Leptodesma (Leiopteria) ausablensis, Limoptera macroptera, Ptychopteria flabellum
Ptychopteria (Actinopteria) boydi Conrad 1842 oyster
Limoptera macroptera oyster
Ptychopteria flabellum oyster | |
Gastropoda | |
"Platyceras (Platyostoma) cf. lineatum" = Platyostoma lineata
"Platyceras (Platyostoma) cf. lineatum" = Platyostoma lineata Conrad 1842 snail | |
Tentaculita | |
Styliolina fissurella Hall 1879 | |
Lophophorata | |
Tentaculites bellulus Hall 1876 | |
Craniata | |
Rhynchonellata | |
Leiorhynchus "sp. B" Hall 1860 | |
Strophomenata | |
Devonalosia wrightorum Muir-Wood and Cooper 1960 | |
"Orthopleura "sp. B Imbrie"" = Imbriea
"Orthopleura "sp. B Imbrie"" = Imbriea Reily 2020 | |
Schuchertella sp. Girty 1904 | |
Stenolaemata | |
Trilobita | |
Echinolichas lucasensis Stumm 1967 trilobite | |
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite |