Where: Michigan (42.1° N, 83.6° W: paleocoordinates 36.1° S, 30.7° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Silica Formation, Givetian (387.7 - 382.7 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; limestone and shale
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 38475: authorized by Michael Foote, entered by Michael Foote on 21.04.2004, edited by Jennifer Bauer
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
"Trachypora labyrinthica" = Thamnoptychia, "Trachypora minuitissima" = Thamnoptychia, "Trachypora silicensis" = Thamnoptychia
"Trachypora labyrinthica" = Thamnoptychia tabulate coral
"Trachypora minuitissima" = Thamnoptychia tabulate coral
"Trachypora silicensis" = Thamnoptychia tabulate coral | |
Pleurodictyum (Procteria) cornu tabulate coral | |
Aulocystis auloporoidea tabulate coral
Aulocystis jacksoni tabulate coral
Aulocystis lucasensis tabulate coral | |
Planalveolitella parasitica tabulate coral
Aulopora microbuccinata tabulate coral | |
Bethanyphyllum robustum horn coral | |
Heterophrentis simplex horn coral | |
Blastoidea | |
Hyperoblastus reimanni blastoid | |
Crinoidea | |
Gennaeocrinus chilmanae Sea lily | |
Arthroacantha carpenteri Sea lily | |
Gilbertsocrinus ohioensis Sea lily | |
Malacostraca | |
Ostracoda | |
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Ulrichia illinearis, Ulrichia fragilis, Ulrichia conradi, Ulrichia spinifera, Ulrichia fastidiosa, Tetrastorthynx diabolicus, Xystinotus wrightorum, Xystinotus subnodatus, Stictobollia alethaae
Ulrichia fastidiosa Kesling and Chilman 1978 ostracod Soft shales of the Styliolina beds, Units 9-11
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Knoxiella truncata, Knoxiella rutkowskiae, Hypotetragona fractodorsalis, Hypotetragona aequitalis, Hypotetragona harrietensis
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Dizygopleura trisinuata, Dizygopleura euglyphea, Poloniella cingulata, Punctoprimitia simplex, Eukloedenella doverensis
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Kirkbyella (Berdanella) stewartae, Kirkbyella (Berdanella) unicornis, Kirkbyella (Kirkbyella) bellipuncta
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Adelphobolbina spicata, Adelphobolbina trilobata, Ctenoloculina cicatricosa, Ctenoloculina eurybathrota, Ctenoloculina acanthina, Subligaculum scrobiculatum, Subligaculum bifidum, Falsipollex lativelatus, Falsipollex laxivelatus, Hanaites platus
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Phlyctiscapha apleta Kesling 1954 ostracod Found in units 1-6 (Tropidoleptus carinatus zone), 9-11 ("Chonetes" zone), 12, and 14-15.
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Tetrasacculus bilobus, Hollinella (Keslingella) pumila, Hollinella (Keslingella) antespinosa, Hollinella (Keslingella) labrosa
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Arcyzona bythiclimacota, Arcyzona rhabdota, Arcyzona campylactinota, Arcyzona homalosagenota, Arcyzona diademata
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Bairdiocypris gongylus, Bairdiocypris transptyxis, Rugocytherellina ehlersi, Cytherellina subquadrata, Cytherellina lechria, Cytherellina kutasii, Cytherellina lucasensis, Cytherellina tanymeka, Praepilatina silicensis
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Healdia gibba, Healdia medusaensis, Healdia arkonensis, Ponderodictya ohioensis, Ponderodictya rhodesi, Ponderodictya punctulifera, Nannohealdia arcuata
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Jenningsina catenulata, Quasillites fordei, Quasillites concentricus, Quasillites sublunatus, Quasillites obliquus
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Hyphasmaphora textiligera, Euglyphella sigmoidalis, Euglyphella modesta, Euglyphella lispa, Euglyphella projecta, Euglyphella compressa
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Trilobita | |
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite | |
Rhynchonellata | |
Cranaena romingeri Hall 1863 | |
Pseudoatrypa cf. devoniana Webster 1921 | |
Tropidoleptus carinatus Conrad 1839 | |
Callipleura cf. nobilis Hall 1860 | |
"Ambocoelia" "umbonata" Conrad 1842 | |
Spinocyrtia "euryteines", "Brachyspirifer audaculus" = Mediospirifer audaculus
"Brachyspirifer audaculus" = Mediospirifer audaculus Conrad 1842 | |
Rhipidomella vanuxemi Hall 1857 | |
Strophomenata | |
"Orthopleura "sp. B Imbrie"" = Imbriea
"Orthopleura "sp. B Imbrie"" = Imbriea Reily 2020 | |
Spinulicosta spinulicosta Hall 1857 | |
Devonalosia wrightorum Muir-Wood and Cooper 1960 | |
Megastrophia concava, "Strophodonta erratica" = Strophomena (Strophodonta), "Strophodonta extenuata" = Strophomena (Strophodonta), Strophodonta titan, "Strophodonta "demissa"" = Strophodonta (Strophodonta) demissa, Pholidostrophia geniculata, Pholidostrophia gracilis, Pholidostrophia nacrea, Pholidostrophia sp.
"Strophodonta erratica" = Strophomena (Strophodonta)
"Strophodonta extenuata" = Strophomena (Strophodonta)
Strophodonta titan Imbrie 1959
"Strophodonta "demissa"" = Strophodonta (Strophodonta) demissa Conrad 1842
Pholidostrophia sp. Hall and Clarke 1892 | |
Protoleptostrophia perplana Conrad 1839 | |
Gymnolaemata | |
Stenolaemata | |
Fistuliporidae indet. Ulrich 1882 | |
Intrapora sp. Hall 1883 | |
Semicoscinium sp. Prout 1859 | |
Lophophorata | |
Tentaculites bellulus Hall 1876 | |
Gastropoda | |
Platyceras (Platyceras) bucculentum, Platyceras (Platyceras) carinatum, Platyceras (Platyceras) rarispinum
Platyceras (Platyceras) bucculentum Hall 1862 snail
Platyceras (Platyceras) carinatum Hall 1862 snail
Platyceras (Platyceras) rarispinum Hall 1859 snail | |
"Loxonema hamiltoniae" = Palaeozygopleura hamiltoniae
"Loxonema hamiltoniae" = Palaeozygopleura hamiltoniae Hall 1859 snail | |
Nodonema sp. Linsley 1968 snail | |
Tentaculita | |
Styliolina fissurella Hall 1879 | |
Nowakia sp. Gurich 1896 | |
Kavaryella cracens | |
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