The Jumpers (Silurian of Canada)

Also known as Anticosti Island, The Jumpers, Upper Jupiter Formation

Where: Québec, Canada (49.4° N, 63.6° W: paleocoordinates 22.5° S, 34.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pavillon Member (Jupiter Formation), Telychian (438.5 - 433.4 Ma)

• Upper Jupiter Formation. (Pavillon is the uppermost Jupiter member.)

• member-level stratigraphic resolution

Environment/lithology: argillaceous lime mudstone and calcareous shale

• Environmental call by T. Hanson.
• 15 m. "[T]hin- to medium-bedded, brown-grey, argillaceous to marly lime mudstone to local wackestone, weathering grey-yellow, intergrading with highly calcareous shale."

Size classes: macrofossils, microfossils

Collection methods: Brachiopods, trilobites, corals, bryozoans, ostradoces and conoconts included in collection.

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24435: authorized by Steven Holland, entered by Tori Hanson on 07.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Bellerophontida - Bucaniidae
Salpingostoma orientalis Twenhofel 1928 snail
Cephalopoda
 Oncocerida - Acleistoceratidae
 Oncocerida - Trimeroceratidae
 Discosorida - Discosoridae
Discosorus sp. Hall 1852
 Actinocerida - Huroniidae
Huroniella sp. Foerste 1924
Strophomenata
 Strophomenida - Leptostrophiidae
Brachyprion spp. Shaler 1865
 Orthotetida - Triplesiidae
Rhynchonellata
 Rhynchonellida - Leptocoeliidae
 Atrypida - Atrypinidae
 Spiriferida - Cyrtiidae
Eospirifer radiatus Sowerby 1834
 Orthida - Dicoelosiidae
Dicoelosia biloba Linnaeus 1758
 Pentamerida - Stricklandiidae
"Stricklandia salteri" = Microcardinalia (Chiastodoca) salterii Billings 1868
"Stricklandia melissa" = Microcardinalia (Dauphinella) melissa Billings 1874
Trilobita
 Phacopida - Encrinuridae
 Phacopida - Phacopidae
Acernaspis orestes Billings 1860 trilobite
 Phacopida - Dalmanitidae
Dalmanites jupiterensis Twenhofel 1928 trilobite
Ostracoda
 Beyrichiacea - Zygobolbidae
 Palaeocopida - Beyrichiidae
Rhombifera
 Hemicosmitoida - Caryocrinitidae
Crinoidea
 Monobathrida - Eucalyptocrinitidae
Eucalyptocrinites sp. Goldfuss 1831 Sea lily
 Sagenocrinida - Sagenocrinitidae
Pterobranchia
 Graptoloidea - Monograptidae