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: This sample, as listed, is environmentally heterogeneous. It contains both basinal sicliclastic and carbonate slope deposits. I have assigned the environment based on where the majority of individual collections were derived
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 26035: authorized by Michael Foote, entered by Michael Foote on 01.10.2002, edited by Melanie Hopkins
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Rostroconchia | |
Mulceodens wilsoni7 Johnston and Chatterton 1983 | |
Nehedia bainsi7 Johnston and Chatterton 1983
"Bigalea tercierae" = Redstonia tercierae7 Johnston and Chatterton 1983
"Bigalea buskasi" = Redstonia buskasi7 Johnston and Chatterton 1983 | |
Rhynchonellata | |
Cymbidium kirki6 Jin and Chatterton 1997
Vosmiverstum breiveli6 Zhang 1989 | |
Gypidula simplex6 Foerste 1909 | |
Hercotrema pentaforma6 Lenz 1977
Rhynchotreta americaniformis6 Zhang 1989
Thebesia crassicostata6 Jin and Chatterton 1997 | |
Spirinella struszi6 Zhang 1989 | |
Atrypoidea latilingulata6 Jin and Chatterton 1997 | |
Eospinatrypa bullata6, Atrypa (Gotatrypa) blodgetti6, Atrypa (Gotatrypa) variabilis6, Plectatrypa unicosta6
Eospinatrypa bullata6 Jin and Chatterton 1997
Atrypa (Gotatrypa) blodgetti6 Zhang 1989
Atrypa (Gotatrypa) variabilis6 Johnson et al. 1976
Plectatrypa unicosta6 Zhang 1989 | |
Spirigerina copperi6 Zhang 1989 | |
Septatrypa zelia6 Barrande 1879 | |
Nucleospira lentilca6 Havlicek 1990 | |
Whitfieldella sulcatina6 Jin et al. 1993 | |
Merista cuneatina6 Jin and Chatterton 1997 | |
Homoeospirella multicostata6 Jin and Chatterton 1997 | |
Ptychopleurella lenzi6 Zhang 1989
Ptychopleurella angulaticostata6 Jin and Chatterton 1997
Flabellitesia kessei6 Boucot et al. 1988 | |
Dicoelosia parvifrons6 Johnson et al. 1976 | |
Isorthis (Arcualla) boreaina6 Zhang 1989 | |
Salopina delta6 Johnson et al. 1976 | |
Skenidioides operosa6 Johnson et al. 1976 | |
Strophomenata | |
"Leptaena depressa" = Leptaena (Leptaena) depressa6
"Leptaena depressa" = Leptaena (Leptaena) depressa6 Sowerby 1824 | |
Pentlandina harperi6 Zhang 1989
Pentlandina lamelliformis6 Jin and Chatterton 1997 | |
Jonesea cocksi6 Zhang 1989
Jonesea grayi6 Davidson 1849 | |
Morinorhynchus crispus6 Lindström 1861 | |
Trilobita | |
Otarion huddyi n. sp.1
| |
Ceratocephala plummeri, Ceratocephala crawfordi, "Ceratocephalina sevastopuloi" = Ceratocephala (Ceratocephalina), Leonaspis longstaffei, Leonaspis lenzi, Acidaspis lesperancei, Diacanthaspis (Diacanthaspis) hollandi, "Xanionurus norfordi" = Radiaspis, Dudleyaspis quinquespinosa, Dudleyaspis rutteri
Ceratocephala plummeri trilobite
Ceratocephala crawfordi trilobite
"Ceratocephalina sevastopuloi" = Ceratocephala (Ceratocephalina) trilobite
Leonaspis longstaffei trilobite
Leonaspis lenzi trilobite
Acidaspis lesperancei trilobite
Diacanthaspis (Diacanthaspis) hollandi trilobite
"Xanionurus norfordi" = Radiaspis trilobite
Dudleyaspis quinquespinosa trilobite
Dudleyaspis rutteri trilobite | |
Radiolichas guttatus n. sp.2, Dicranogmus wilsoni2, Dicranogmus lepidus2, Borealarges renodis3, Borealarges variabilis3, Borealarges tuckerae3, Borealarges fritillus3, Dicranopeltis sp.2
| |
| |
Hyrokybe julli4, Hyrokybe hadnagyi4, Deiphon grovesi4, Deiphon braybrooki4, Parayoungia tuberculata4, Parayoungia eleyae4, Contracheirurus zuvegesi4, Hadromeros scotti4, Sphaerexochus dimorphus4
| |
|