Anticosti Island, Cap Jupiter, Jupiter Formation Member 2: Aeronian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Graptoloidea - Monograptidae
Monograptus sedgewickii
Rhombifera - Caryocrinitidae
Caryocrinites ornatus Say 1825
Crinoidea - Monobathrida - Eucalyptocrinitidae
Eucalyptocrinites sp. Goldfuss 1831
Crinoidea - Diplobathrida - Dimerocrinitidae
Dimerocrinites elegans Springer 1928
Crinoidea - Sagenocrinida - Sagenocrinitidae
Sagenocrinites sp.
Ostracoda - Zygobolbidae
Zygobolba decora
Ostracoda - Palaeocopida - Beyrichiidae
Bolbineossia labrosa
Trilobita - Phacopida - Calymenidae
Diacalymene schucherti (Twenhofel 1928)
Trilobita - Phacopida - Encrinuridae
Encrinurus anticostiensis
Trilobita - Phacopida - Dalmanitidae
Dalmanites jupiterensis (Twenhofel 1928)
Trilobita - Phacopida - Phacopidae
Acernaspis orestes (Billings 1860)
Trilobita - Lichida - Lichidae
Arctinurus anticostiensis (Northrop 1939)
synonym of Anadesma shallopensis
Strophomenata - Strophomenida - Leptostrophiidae
Brachyprion spp.
Strophomenata - Orthotetida - Triplesiidae
Triplesia anticostiensis
Rhynchonellata - Atrypida - Atrypinidae
Atrypina jupiterensis
Rhynchonellata - Spiriferida - Cyrtiidae
Eospirifer radiatus (Sowerby 1834)
Rhynchonellata - Pentamerida - Stricklandiidae
Stricklandia salteri (Billings 1868)
recombined as Microcardinalia (Chiastodoca) salterii
Ehlersella davidsoni
Gastropoda - Bellerophontida - Bucaniidae
Salpingostoma orientalis Twenhofel 1928
Cephalopoda - Oncocerida - Trimeroceratidae
Eotrimeroceras jupiterrense
Cephalopoda - Oncocerida - Acleistoceratidae
Amphicyrtoceras futile
Cephalopoda - Discosorida - Discosoridae
Discosorus sp. Hall 1852
Cephalopoda - Actinocerida - Huroniidae
Huroniella sp. Foerste 1924
see common names

Geography
Country:Canada State/province:Québec
Coordinates: 49.5° North, 63.6° West (view map)
Paleocoordinates:21.1° South, 35.7° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Silurian Epoch:Llandovery
Stage:Aeronian 10 m.y. bin:Silurian 1
*Period:Early/Lower Silurian *Local age/stage:Alexandrian - Niagaran
Key time interval:Aeronian
Age range of interval:440.80000 - 438.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Anticosti Formation:Jupiter Member:East Point
Stratigraphic resolution:member
Stratigraphy comments: Was Member 2. This is now East Point.
Lithology and environment
Primary lithology: "limestone"
Includes fossils?Y
Lithology description: "8.5-m thick unit of interbedded coarse, highly skeletal (encrinitic) and shaly limestones (packstone and grainstone). This unit is scarcely exposed at the shoreline at low tide."
Environment:carbonate indet.
Geology comments: Environmental call by T. Hanson.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:24416
Authorizer:S. Holland Enterer:T. Hanson
Modifier:P. Wagner Research group:marine invertebrate
Created:2002-08-07 10:30:50 Last modified:2014-08-12 11:45:54
Access level:the public Released:2002-08-07 10:30:50
Creative Commons license:CC BY
Reference information

Primary reference:
6866. C. R. Barnes, A. A. Petryk, and T. E. Bolton. 1981. Anticosti Island, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:1-24 [S. Holland/T. Hanson/S. Bruning]

Secondary references:

52199 C. H. Holland and P. Copper. 2008. Ordovician and Silurian nautiloid cephalopods from Anticosti Island: traject across the Ordovician-Silurian (O-S) boundary. Canadian Journal of Earth Sciences 45(9):1015-1038 [P. Wagner/P. Wagner]