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 26042: 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 schneideri8 Johnston and Chatterton 1983
Mulceodens wilsoni8 Johnston and Chatterton 1983 | |
Nehedia bainsi8 Johnston and Chatterton 1983
"Bigalea tercierae" = Redstonia tercierae8 Johnston and Chatterton 1983 | |
Strophomenata | |
"Brachyprion (Protomegastrophia) sp." = Megastrophia (Protomegastrophia)7, Pholidostrophia (Mesopholidostrophia) lamellosa7
"Brachyprion (Protomegastrophia) sp." = Megastrophia (Protomegastrophia)7 Caster 1939
Pholidostrophia (Mesopholidostrophia) lamellosa7 Zhang 1989 | |
Jonesea cocksi7 Zhang 1989
Jonesea grayi7 Davidson 1849 | |
Eoplectodonta (Eoplectodonta) paucicostellata7 Jin and Chatterton 1997 | |
Protochonetes sp.7 Muir-Wood 1962
Shagamella sp.7 Boucot and Harper 1968 | |
Liljevallia amorpha7 Zhang 1989 | |
Pentlandina lamelliformis7 Jin and Chatterton 1997
Pentlandina harperi7 Zhang 1989 | |
Lepidoleptaena poulseni7 Kelly 1967
"Leptaena depressa" = Leptaena (Leptaena) depressa7 Sowerby 1824 | |
Morinorhynchus miniparvicostellus7 Zhang 1989
Morinorhynchus crispus7 Lindström 1861 | |
Rhynchonellata | |
Gypidula simplex7 Foerste 1909 | |
Vosmiverstum breiveli7 Zhang 1989
Cymbidium kirki7 Jin and Chatterton 1997 | |
Clorinda parvolinguifera7 Sapelnikov 1972 | |
Ptychopleurella lenzi7 Zhang 1989
Ptychopleurella angulaticostata7 Jin and Chatterton 1997
Flabellitesia kessei7 Boucot et al. 1988 | |
Isorthis (Arcualla) boreaina7 Zhang 1989
Isorthis (Arcualla) microscapha7 Johnson et al. 1976 | |
Epitomyonia amplissima7 Zhang 1989 | |
Salopina delta7 Johnson et al. 1976 | |
Spirinella struszi7 Zhang 1989 | |
Homoeospirella multicostata7 Jin and Chatterton 1997 | |
Merista cuneatina7 Jin and Chatterton 1997 | |
Whitfieldella sulcatina7 Jin et al. 1993 | |
Nucleospira lentilca7 Havlicek 1990 | |
Plectatrypa unicosta7, Eospinatrypa bullata7, Atrypa (Gotatrypa) blodgetti7, Atrypa (Gotatrypa) variabilis7
Plectatrypa unicosta7 Zhang 1989
Eospinatrypa bullata7 Jin and Chatterton 1997
Atrypa (Gotatrypa) blodgetti7 Zhang 1989
Atrypa (Gotatrypa) variabilis7 Johnson et al. 1976 | |
Gracianella rudicristata7 Jin and Chatterton 1997
Spirigerina copperi7 Zhang 1989 | |
Atrypoidea latilingulata7 Jin and Chatterton 1997 | |
Septatrypa zelia7 Barrande 1879 | |
Skenidioides operosa7 Johnson et al. 1976 | |
Thebesia crassicostata7 Jin and Chatterton 1997
Rhynchotreta americaniformis7 Zhang 1989
Hercotrema pentaforma7 Lenz 1977 | |
Trilobita | |
Dicranopeltis sp.3, Dicranogmus wilsoni3, Dicranogmus lepidus3, Borealarges renodis4, Borealarges tuckerae4, Borealarges variabilis4, Borealarges patulus4, Borealarges fritillus n. sp.4, "Acanthopyge (Lobopyge) sp." = Belenopyge3, Radiolichas guttatus3
| |
Harpidella greggi n. sp.2
| |
Otarion huddyi n. sp.1
| |
| |
Hyrokybe hadnagyi5, Hyrokybe julli5, Parayoungia tuberculata5, Parayoungia eleyae5, Deiphon grovesi5, Deiphon braybrooki5, Sphaerexochus dimorphus5, Contracheirurus sp.5, Hadromeros scotti5
| |
| |
Ceratocephala plummeri, Ceratocephala crawfordi, "Ceratocephalina sevastopuloi" = Ceratocephala (Ceratocephalina), "Xanionurus norfordi" = Radiaspis, Diacanthaspis (Diacanthaspis) hollandi, "Odontopleura brevigena" = Odontopleura (Odontopleura) brevigena, Acidaspis lesperancei, Leonaspis longstaffei, Leonaspis lenzi, Dudleyaspis quinquespinosa, Dudleyaspis rutteri
Ceratocephala plummeri trilobite
Ceratocephala crawfordi trilobite
"Ceratocephalina sevastopuloi" = Ceratocephala (Ceratocephalina) trilobite
"Xanionurus norfordi" = Radiaspis trilobite
Diacanthaspis (Diacanthaspis) hollandi trilobite
"Odontopleura brevigena" = Odontopleura (Odontopleura) brevigena Chatterton and Perry 1983 trilobite
Acidaspis lesperancei trilobite
Leonaspis longstaffei trilobite
Leonaspis lenzi trilobite
Dudleyaspis quinquespinosa trilobite
Dudleyaspis rutteri trilobite |