Where: Quebec, Canada (49.7° N, 62.9° W: paleocoordinates 23.1° S, 38.0° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Easton Member (Vaureal Formation), Richmondian (449.5 - 443.7 Ma)
• Given as English Head Zone 4; this includes beds 3 - 5 (Twenhofel did not present separate lists as in other sections).
• group of beds-level stratigraphic resolution
Environment/lithology: gray, argillaceous limestone and gray, blue shale
Size class: macrofossils
Reposited in the GSC, YPM
Primary reference: W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 63675: authorized by Pete Wagner, entered by Pete Wagner on 17.08.2006, edited by Lena Cole
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
"Hindia cf. fibrosa" = Hindia sphaeroidalis
"Hindia cf. fibrosa" = Hindia sphaeroidalis Duncan 1879 demosponge | |
Anthozoa | |
Halysites catenularia Linnaeus 1767 tabulate coral | |
"Streptelasma cf. rusticum" = Helicelasma rusticum
"Streptelasma cf. rusticum" = Helicelasma rusticum Billings 1858 horn coral | |
Scyphozoa | |
Conularia splendida n. sp.2
| |
Trilobita | |
Brachyaspis alacer Billings 1866 trilobite | |
"Ceraurus numitor" = Borealaspis numitor
"Ceraurus numitor" = Borealaspis numitor Billings 1866 trilobite | |
Bumastus orbicaudatus Billings 1859 trilobite | |
Proetus alaricus Billings 1860 trilobite | |
Lingulata | |
"Lingula" forbesi Billings 1865 | |
Pseudolingula elegantula Shaler 1865 | |
Craniata | |
"Crania" anticostiana Twenhofel 1928 | |
Strophomenata | |
"? Leptaena vaurealensis" = Megamyonia vaurealensis
"? Leptaena vaurealensis" = Megamyonia vaurealensis Twenhofel 1928 | |
Rhynchonellata | |
"Rhynchotrema anticostiense" = Hypsiptycha anticostiensis
"Rhynchotrema anticostiense" = Hypsiptycha anticostiensis Billings 1862 | |
"Protozeuga anticostiana" = Xysila anticostiana
"Protozeuga anticostiana" = Xysila anticostiana Twenhofel 1914 | |
"Hyattidina carletona" = Becscia carletona
"Hyattidina carletona" = Becscia carletona Twenhofel 1914 | |
Stenolaemata | |
Homotrypa anticostiensis Twenhofel 1928 | |
Ptilodictya canadensis Billings 1866
Ptilodictya flagella Nicholson 1875 | |
Goniotrypa bilateralis, "Rhinidictya nitidula" = Stictopora nitidula, "Dicranopora emacerata" = Stictopora emacerata
Goniotrypa bilateralis Ulrich 1889
"Rhinidictya nitidula" = Stictopora nitidula Billings 1866
"Dicranopora emacerata" = Stictopora emacerata Nicholson 1875 | |
Eridotrypa simulatrix Ulrich 1890 | |
Bivalvia | |
Ctenodonta cf. obliqua Hall 1845 clam | |
Whitella plebia Billings 1866 clam | |
Rostroconchia | |
"Ischyrina winchelli" = Ischyrinia winchelli
"Ischyrina winchelli" = Ischyrinia winchelli Billings 1866 | |
Gastropoda | |
Cyclonema varispirum Twenhofel 1928 snail | |
Hormotoma cf. gracilis Hall 1847 snail
Hormotoma teretiformis Billings 1857 snail | |
Subulites richardsoni Billings 1857 snail | |
Cephalopoda | |
Diestoceras carletonense n. sp., "Hyperoceras twenhofeli n. gen. n. sp." = Danoceras
Diestoceras carletonense n. sp. Twenhofel 1928
"Hyperoceras twenhofeli n. gen. n. sp." = Danoceras | |
Oncoceras carletonense n. sp.
Oncoceras carletonense n. sp. Twenhofel 1928 | |
"Nautilus hercules n. sp." = Charactoceras hercules1
"Nautilus hercules n. sp." = Charactoceras hercules1 Billings 1857 | |
Billingsites canadensis Billings 1857
Billingsites anticostiensis Billings 1866 | |
Sphyradoceras sp. Hyatt 1884 | |
Endoceras fulgur Billings 1866 | |
Actinoceras anticostiense Billings 1857
Actinoceras carletonense n. sp. Twenhofel 1928 | |
Kionoceras magnisulcatum Billings 1857 | |
Pleurocystites anticostiensis Billings 1857 | |
Crinoidea | |
Dendrocrinus minutus n. sp.
Dendrocrinus minutus n. sp. Twenhofel 1928 Sea lily | |
| |
Asteroidea | |
Hudsonaster rugosus Billings 1857 sea star | |
Pterobranchia | |
"Mesograptus putillus" = Climacograptus putillus
"Mesograptus putillus" = Climacograptus putillus Hall 1865 climacograptid |