Cnemidopyge fauna, Road River Fm., Llandeilo-early Caradoc (Ordovician to of Canada)
Where: Northwest Territories, Canada (64.5° N, 130.0° W: paleocoordinates 9.1° N, 56.3° W)
• coordinate based on nearby landmark
• basin-level geographic resolution
When: Road River Formation, Llandeilo to Llandeilo (461.1 - 449.5 Ma)
• "Llandeilo-early Caradoc."
Environment/lithology: marine; black, gray, calcareous shale
• "dark grey to black calcareous shales. slope BA6"
Size class: macrofossils
Primary reference: R. Ludvigsen. 1981. Trilobite biofacies of the Cambrian-Ordovician boundary interval in northern North America. Alcheringa 7(4):301-319 [M. Uhen/J. Ju]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 316: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998
Creative Commons license: CC BY (attribution)
Taxonomic list
• "R.Ludvigsen, 1981 and pers. comm."
Show authors, comments, and common names
Trilobita | |
Platycalymene sp. Shirley 1936 trilobite | |
Cybeloides sp. Slocum 1913 trilobite
Staurocephalus sp. Barrande 1846 trilobite | |
Kawina sp. Barton 1916 trilobite | |
Agerina norrisi trilobite | |
Robergiella cf. sagittalis Whittington 1959 trilobite originally entered as "Robergiella cf. sagittalis"
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Lonchodomas sp. Angelin 1854 trilobite
Ampyx sp. Dalman 1827 trilobite
Cnemidopyge norfordi trilobite | |
Spirantyx sp. Whittard 1961 trilobite | |
Artiopoda | |
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Cephalopoda | |
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Lingulata | |
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Rhynchonellata | |
Dalmanellidae indet. Schuchert 1913 | |
Pterobranchia | |
Diplograptus sp. graptolite
Orthograptus sp. Lapworth 1873 graptolite | |
Hexactinellida | |
? Hexactinellida indet. Schmidt 1870 glass sponge sponge spicules - originally entered as "? Hexactinellida indet."
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