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
  -
? Semipora ehlersi
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
 Lichida - Lichidae
Echinolichas lucasensis
Echinolichas lucasensis Stumm 1967 trilobite
Tentaculita
 Styliolinida - Styliolinidae
Styliolina fissurella
Gastropoda
 Euomphalina - Platyceratidae
"Platyceras (Platyostoma) cf. lineatum" = Platyostoma lineata
"Platyceras (Platyostoma) cf. lineatum" = Platyostoma lineata Conrad 1842 snail
Bivalvia
 Ostreida - Pterineidae
Ptychopteria (Actinopteria) boydi, Leptodesma (Leiopteria) ausablensis, Limoptera macroptera, Ptychopteria flabellum
 Pectinida - Pterinopectinidae
Pseudaviculopecten scabridus, Lyriopecten mitchelli
 Lucinida - Mactromyidae
Paracyclas lirata
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites bellulus
Rhynchonellata
 Spiriferida - Hysterolitidae
Paraspirifer bownockeri
 Rhynchonellida - Leiorhynchidae
Leiorhynchus lucasi, Leiorhynchus "sp. B"
Strophomenata
 Productida - Araksalosiidae
Devonalosia wrightorum
Devonalosia wrightorum Muir-Wood and Cooper 1960
 Orthotetida - Schuchertellidae
Schuchertella sp.
Schuchertella sp. Girty 1904
 Orthotetida - Areostrophiidae
"Orthopleura "sp. B Imbrie"" = Imbriea
"Orthopleura "sp. B Imbrie"" = Imbriea Reily 2020
 Strophomenida - Chonetidae
Devonochonetes fragilis, Devonochonetes coronatus, ? Devonochonetes scitulus
Craniata
 Craniida - Craniidae
Petrocrania hamiltonensis
Stenolaemata
 Cryptostomata - Hyphasmoporidae
Streblotrypa anomala
 Cryptostomata - Arthrostylidae
Helopora inexpectata
 Cryptostomata - Fenestellidae
Reteporina striata, Fenestrellina rockportensis
 Cystoporata - Fistuliporidae
Fistulipora vesiculata
 Cystoporida - Sulcoreteporidae
Sulcoretepora deissi
 Cyclostomata - Hederellidae
Hederella alpenensis
 Rhabdomesida - Rhabdomesidae
Acanthoclema ohioensis, Acanthoclema sulcatum
Anthozoa
 Auloporida - Auloporidae
Planalveolitella parasitica