Also known as Unnamed beds of map unit 4, St. George map-area (1094A)
Where: New Brunswick, Canada (45.1° N, 66.9° W: paleocoordinates 37.3° S, 35.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Back Bay Formation, Telychian (438.5 - 433.4 Ma)
• later named Back Bay formation. C4-C5 age of old scales.
• formation-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Preservation: cast
Reposited in the GSC
Primary reference: A. J. Boucot, J. G. Johnson, C. Harper and V. G. Walmsley. 1967. Silurian brachiopods and gastropods of southern New Brunswick. Geological Survey of Canada Bulletin 140(1):1-45 [P. Wagner/P. Wagner/O. Alfaro]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 68834: authorized by Pete Wagner, entered by Pete Wagner on 09.02.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Euomphalopterus aff. alatus Wahlenberg 1821 snail | |
Oriostoma cf. globosum von Schlotheim 1820 snail | |
"Pseudoscalites cf. lindstroemi" = Phanerotrema lindstroemi
"Pseudoscalites cf. lindstroemi" = Phanerotrema lindstroemi Boucot et al. 1967 snail | |
Craniata | |
Rhynobolus "sp. A" Hall 1871 | |
Rhynchonellata | |
Anastrophia sp. Hall 1867 | |
Pentamerus sp. Sowerby 1813 | |
Sieberella sp. Oehlert 1887 | |
? Sphaerirhynchia sp. Cooper and Muir-Wood 1951 | |
? Stegerhynchus spp. Foerste 1909 | |
Ferganella sp. Nikiforova 1937 | |
Howellella "sp. 1" Kozlowski 1946 | |
Atrypa "reticularis" Linnaeus 1758
Plectatrypa imbricata Sowerby and Murchison 1839 | |
Nucleospira sp. Hall 1859 | |
Meristina sp. Hall 1867 | |
Dolerorthis cf. rustica Sowerby 1839 | |
"Dicaelosia sp." = Dicoelosia
"Dicaelosia sp." = Dicoelosia King 1850 | |
Dalejina cf. hybrida Sowerby 1839 | |
Isorthis sp., "Resserella cf. concavoconvexa" = Visbyella concavoconvexa
Isorthis sp. Kozlowski 1929
"Resserella cf. concavoconvexa" = Visbyella concavoconvexa Twenhofel 1928 | |
Skenidioides sp. Schuchert and Cooper 1931 | |
Strophomenata | |
Leptaena spp. Dalman 1828 | |
"Strophonella cf. euglypha" = Strophoprion euglypha
"Strophonella cf. euglypha" = Strophoprion euglypha Dalman 1828 | |
Amphistrophia sp. Hall and Clarke 1892 | |
? Protochonetes sp. Muir-Wood 1962 | |
Leangella sp. Opik 1933 | |
"Chilidiopsis spp." = Fardenia (Coolinia)
"Chilidiopsis spp." = Fardenia (Coolinia) Bancroft 1949 |