Where: Northwest Territories, Canada (62.4° N, 127.0° W: paleocoordinates 4.7° N, 49.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Kockelella patula zone, Delorme Formation, Whitwellian (430.5 - 425.4 Ma)
• Zonation based on conodonts present in AV sections 1, 2, and 4. (AV 3 and DR sections correlated with these on basis of trilobite faunal assemblages.)
• group of beds-level stratigraphic resolution
Environment/lithology: slope; argillaceous limestone and shale
•SEP environmental call based on given information
Preservation: replaced with silica
Primary reference: B. D. E. Chatterton and D. G. Perry. 1983. Silicified Silurian odontopleurid trilobites from the Mackenzie Mountains. Palaeontographica Canadiana 1:1-55 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 26048: authorized by Michael Foote, entered by Michael Foote on 01.10.2002, edited by Melanie Hopkins
Creative Commons license: CC BY (attribution)
Taxonomic list
Ostracoda | |
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Trilobita | |
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Deiphon grovesi7, Hyrokybe sp. n. sp.7, Hyrokybe hadnagyi7, Hyrokybe julli7, Hadromeros scotti7, Parayoungia eleyae7, Parayoungia tuberculata7, Sphaerexochus dimorphus7, Sphaerexochus johnstoni7
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Harpidella greggi n. sp.2
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Dicranogmus wilsoni n. sp.5, Dicranogmus lepidus n. sp.5, Borealarges variabilis n. sp.6, Borealarges renodis n. sp.6, Radiolichas guttatus5, Dicranopeltis sp.5
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Ceratocephala plummeri, Ceratocephala crawfordi, "Ceratocephalina charlesworthi" = Ceratocephala (Ceratocephalina), "Ceratocephalina sevastopuloi" = Ceratocephala (Ceratocephalina), "Xanionurus norfordi" = Radiaspis, Acidaspis lesperancei, Diacanthaspis (Diacanthaspis) hollandi, Leonaspis longstaffei, Leonaspis lenzi, "Odontopleura brevigena" = Odontopleura (Odontopleura) brevigena, Dudleyaspis quinquespinosa, Dudleyaspis rutteri
Ceratocephala plummeri trilobite
Ceratocephala crawfordi trilobite
"Ceratocephalina charlesworthi" = Ceratocephala (Ceratocephalina) trilobite
"Ceratocephalina sevastopuloi" = Ceratocephala (Ceratocephalina) trilobite
"Xanionurus norfordi" = Radiaspis trilobite
Acidaspis lesperancei trilobite
Diacanthaspis (Diacanthaspis) hollandi trilobite
Leonaspis longstaffei trilobite
Leonaspis lenzi trilobite
"Odontopleura brevigena" = Odontopleura (Odontopleura) brevigena Chatterton and Perry 1983 trilobite
Dudleyaspis quinquespinosa trilobite
Dudleyaspis rutteri trilobite | |
Rostroconchia | |
Mulceodens schneideri10 Johnston and Chatterton 1983 | |
"Bigalea tercierae" = Redstonia tercierae10, "Bigalea buskasi" = Redstonia buskasi10, "Cassowarioides perryi n. gen." = Cassowarioides perryi10, "Cassowarioides stelcki" = Cassowarioides perryi10, Avalanchia pterocarina n. gen. n. sp.4
"Bigalea tercierae" = Redstonia tercierae10 Johnston and Chatterton 1983
"Bigalea buskasi" = Redstonia buskasi10 Johnston and Chatterton 1983
"Cassowarioides perryi n. gen." = Cassowarioides perryi10 Johnston and Chatterton 1983
"Cassowarioides stelcki" = Cassowarioides perryi10 Johnston and Chatterton 1983
Avalanchia pterocarina n. gen. n. sp.4 Caldwell and Chatterton 1995 | |
Rhynchonellata | |
Homoeospirella multicostata9 Jin and Chatterton 1997 | |
Nucleospira lentilca9 Havlicek 1990 | |
Whitfieldella sulcatina9 Jin et al. 1993 | |
Merista cuneatina9 Jin and Chatterton 1997 | |
Skenidioides operosa9 Johnson et al. 1976 | |
Spirinella struszi9 Zhang 1989 | |
Ptychopleurella lenzi9 Zhang 1989
Ptychopleurella angulaticostata9 Jin and Chatterton 1997 | |
Epitomyonia clausula9 Johnson et al. 1976
Dicoelosia parvifrons9 Johnson et al. 1976 | |
Salopina delta9 Johnson et al. 1976 | |
Atrypoidea latilingulata9 Jin and Chatterton 1997 | |
Atrypa (Gotatrypa) variabilis9, Atrypa (Gotatrypa) blodgetti9, Eospinatrypa bullata9, Plectatrypa unicosta9
Atrypa (Gotatrypa) variabilis9 Johnson et al. 1976
Atrypa (Gotatrypa) blodgetti9 Zhang 1989
Eospinatrypa bullata9 Jin and Chatterton 1997
Plectatrypa unicosta9 Zhang 1989 | |
Gracianella rudicristata9 Jin and Chatterton 1997
Spirigerina copperi9 Zhang 1989 | |
Septatrypa zelia9 Barrande 1879 | |
Stegerhynchus borealis9 Buch 1834 | |
Hercotrema pentaforma9 Lenz 1977
Thebesia crassicostata9 Jin and Chatterton 1997
Rhynchotreta americaniformis9 Zhang 1989 | |
Cymbidium kirki9 Jin and Chatterton 1997
Vosmiverstum breiveli9 Zhang 1989 | |
Clorinda parvolinguifera9 Sapelnikov 1972 | |
Strophomenata | |
Morinorhynchus miniparvicostellus9 Zhang 1989 | |
Pentlandina harperi9 Zhang 1989
Pentlandina lamelliformis9 Jin and Chatterton 1997 | |
"Leptaena depressa" = Leptaena (Leptaena) depressa9 Sowerby 1824
Lepidoleptaena poulseni9 Kelly 1967 | |
Eoplectodonta (Eoplectodonta) paucicostellata9 Jin and Chatterton 1997 | |
Pholidostrophia (Mesopholidostrophia) lamellosa9 Zhang 1989 | |
Jonesea cocksi9 Zhang 1989
Jonesea grayi9 Davidson 1849 |