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

unclassified
  -
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
 Lichida - Lichidae
Echinolichas lucasensis Stumm 1967 trilobite
Bivalvia
 Pectinida - Pterinopectinidae
 Ostreida - Pterineidae
 Lucinida - Mactromyidae
Gastropoda
 Euomphalina - Platyceratidae
"Platyceras (Platyostoma) cf. lineatum" = Platyostoma lineata
"Platyceras (Platyostoma) cf. lineatum" = Platyostoma lineata Conrad 1842 snail
Tentaculita
 Styliolinida - Styliolinidae
Stenolaemata
 Fenestrata -
 Cyclostomata - Hederellidae
 Cystoporida - Sulcoreteporidae
 Cystoporida - Fistuliporidae
 Cryptostomata - Arthrostylidae
 Cryptostomata - Hyphasmoporidae
 Rhabdomesida - Nikiforovellidae
Lophophorata
 Tentaculitida - Tentaculitidae
Strophomenata
 Productida - Araksalosiidae
Devonalosia wrightorum Muir-Wood and Cooper 1960
 Productida - Chonetidae
 Orthotetida - Schuchertellidae
Schuchertella sp. Girty 1904
 Orthotetida - Areostrophiidae
Rhynchonellata
 Spiriferida - Hysterolitidae
 Rhynchonellida - Leiorhynchidae
Craniata
 Craniida - Craniidae
Anthozoa
 Auloporida - Auloporidae