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Jupiter Formation

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Journal Article

Land-derived microfossils from the Jupiter Formation (upper Llandoverian), Anticosti Island, Quebec

Susan L. Duffield
Published: 01 July 1985
Journal of Paleontology (1985) 59 (4): 1005–1010.
Add to Citation Manager for Land-derived microfossils from the <span class="search-highlight">Jupiter</span> <span class="search-highlight">Formation</span> (upper Llandoverian), Anticosti Island, Quebec
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Rhenopyrgus viviani n. sp. from Jupiter Formation, Telychian of Anticosti Island, Québec, Canada. (1–9) From Cybéle Member, Rock Pool Ledge site on Jupiter River (1–3) (paratype MPEP 1126.1); (1) lateral view of entire specimen (note it is preserved perpendicular to bedding with flattened oral surface but undisturbed pyrgate zone); (2) detail of oral surface; white arrows point to ridges on adambulacral margin of the oral ossicles, which accommodated cover plates; black arrow points to the ridged ambulacral floor that is presumably an extension of the interadial oral ossicle (coated with ammonium chloride); (3) oral surface without ammonium chloride; again, black arrow points to ridged ambulacral floor; (4) oral view of cover plates showing vestige of 2-1-2 ambulacral arrangement (paratype EE 15752); (5) lateral view, note lack of any floor plate sutures along adambulacral margin of oral plates (paratype EE 15753). (6–8) Holotype (EE 16642); (6) note changing morphology of pyrgate zone ossicles; (7) detail of oral surface and sub-oral constriction; black arrow points to anal pyramid composed of rod-like ossicles; white arrow points to triangular cross section of cover plates; (8) holotype slab showing two individuals (holotype on right). (9) Lateral view with a well-preserved suboral constriction; note a change in morphology of pyrgate zone plates (paratype EE 15754). (10) From Pavillon Member at Rivière aux Plats; distal pyrgate zone and bulbous coriaceous sack-like holdfast comprised of small granular plates (paratype EE 15756). Abbreviations: CL = collar plates, CP = cover plates, O = oral plate. All scale bars represent 1 mm.

Rhenopyrgus viviani n. sp. from Jupiter Formation, Telychian of Anticosti ...

Published: 01 January 2020
Figure 2. Rhenopyrgus viviani n. sp. from Jupiter Formation, Telychian of Anticosti Island, Québec, Canada. ( 1–9 ) From Cybéle Member, Rock Pool Ledge site on Jupiter River ( 1–3 ) (paratype MPEP 1126.1); ( 1 ) lateral view of entire specimen (note it is preserved perpendicular to bedding
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Rhenopyrgus viviani n. sp. Silurian (lower Telychian), Jupiter Formation, Jupiter River, Anticosti Island, Canada. (1) Camera lucida of lateral CD ambulacral of holotype of Rhenopyrgus viviani n. sp. (EE 16642); note periproct formed of small lath-shaped plates adjacent to edge of oral plate; also note lack of floor plates exposed along adambulacral margin of oral plate; (2) camera lucida view of oral surface of paratype MPEP 1126.1; note groove and ridge arrangement along adambulacral margin of oral plate that accommodated and held in place cover plates; also note ridged surface of fused floor plates, which may have accommodated tube feet.

Rhenopyrgus viviani n. sp. Silurian (lower Telychian), Jupiter Formation, ...

Published: 01 January 2020
Figure 4. Rhenopyrgus viviani n. sp. Silurian (lower Telychian), Jupiter Formation, Jupiter River, Anticosti Island, Canada. ( 1 ) Camera lucida of lateral CD ambulacral of holotype of Rhenopyrgus viviani n. sp. (EE 16642); note periproct formed of small lath-shaped plates adjacent to edge
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Time-structure map on top of Jupiter Formation (from SOQUIP, 1987).

Time-structure map on top of Jupiter Formation (from SOQUIP, 1987 ).

Published: 01 March 2010
Fig. 8. Time-structure map on top of Jupiter Formation (from SOQUIP, 1987 ).
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Fig. 6. Pentamerus oblongus Community, upper Jupiter Formation, Anticos...

Published: 12 February 2008
Fig. 6. Pentamerus oblongus Community, upper Jupiter Formation, Anticosti Island: (A–E) GSC 59165, complete shell from a shell cluster preserved in life position, locality A175, Pavillon Member; (F–H) complete shells preserved in life position on top of a pavement of broken, convex-up valves
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Fig. 7. Pentamerus palaformis Community, lower Jupiter Formation, Antic...

Published: 12 February 2008
Fig. 7. Pentamerus palaformis Community, lower Jupiter Formation, Anticosti Island: (A–D) complete shell of P . palaformis preserved in-life position, Goéland Member, units 3–4, locality A1380; (E–G) anteriorly crushed shell of P . palaformis with fragments preserved in place, Goéland
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Fig. 11. Ehlersella davidsonii Community, middle Jupiter Formation, Ant...

Published: 12 February 2008
Fig. 11. Ehlersella davidsonii Community, middle Jupiter Formation, Anticosti Island: (A–D) anteriorly crushed shell of E . davidsonii with fragments preserved in place, Cybèle Member, locality A1430; (E–I) complete shell of E . davidsonii from shell cluster preserved in situ, Cybèle
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Fig. 12. Microcardinalia Community, Jupiter Formation, Anticosti Island...

Published: 12 February 2008
Fig. 12. Microcardinalia Community, Jupiter Formation, Anticosti Island: (A–E) M. ( Dauphinella ) melissa, complete shell with crowding indentations, Pavillon Member, locality A457e; (F–H) M. ( Chiastodoca ) salterii coquina (grainstone grade), with abundant bryozoans, ostracods, crinoid
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Fig. 10. Stricklandia Community, uppermost Gun River and Jupiter format...

Published: 12 February 2008
Fig. 10. Stricklandia Community, uppermost Gun River and Jupiter formations, Anticosti Island: (A–E) S . planirostrata , well-preserved shell from in situ shell cluster, lower Ferrum Member, locality A551; (F) shells of S . planirostrata in life position, Ferrum Member, locality A652; (G
Journal Article

Paleomagnetic study of the Late Ordovician–Early Silurian platform sequence of Anticosti Island, Quebec

Maurice K. Seguin, Allen A. Petryk
Published: 01 December 1986
Canadian Journal of Earth Sciences (1986) 23 (12): 1880–1890.
DOI: https://doi.org/10.1139/e86-176
... Formation, and one each in the Gun River and Jupiter formations. The lithologies sampled consisted of limestones, sandy limestones, marls, and sandy calcareous shales drawn from a sedimentary platform sequence of predominantly inter-bedded limestones and shales. The specimens were demagnetized...
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Journal Article

Llandovery (Early Silurian) orthide brachiopod associations from Anticosti Island, eastern Canada This article is one of a series of papers published in this Special Issue on the theme The dynamic reef and shelly communities of the Paleozoic. This Special is in honour of our colleague and friend Paul Copper .

Rong-Yu Li, Trevor Allen
Published: 25 March 2008
Canadian Journal of Earth Sciences (2008) 45 (2): 189–201.
DOI: https://doi.org/10.1139/E07-044
...Rong-Yu Li; Trevor Allen Abstract Five Llandovery orthide brachiopod associations, through cluster analysis, are delineated on Anticosti Island. The Levenea–Dicoelosia Association (A), occurring in the Goéland and Richardson members of the lower Jupiter Formation, represents a deep-water setting...
View PDF for article title, Llandovery (Early Silurian) orthide brachiopod associations from Anticosti Island, eastern Canada This article is one of a series of papers published in this Special Issue on the theme The dynamic reef and shelly communities of the Paleozoic. This Special is in honour of our colleague and friend Paul Copper .
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Add to Citation Manager for Llandovery (Early Silurian) orthide brachiopod associations from Anticosti Island, eastern Canada This article is one of a series of papers published in this Special Issue on the theme The dynamic reef and shelly communities of the Paleozoic. This Special is in honour of our colleague and friend Paul Copper .
Journal Article

Kulumbella and Microcardinalia (Chiastodoca) new subgenus, Early Silurian divaricate stricklandiid brachiopods from Anticosti Island, Eastern Canada

Jisuo Jin, Paul Copper
Published: 01 May 1998
Journal of Paleontology (1998) 72 (3): 441–453.
... in other brachiopod groups and corals in the Anticosti section. Weakly divaricate ribbing in Chiastodoca is characteristic of the early Telychian (Ferrum Member, Jupiter Formation), and radial ribbing is typical of the late Telychian genus Costistricklandia (Pavillon Member, Jupiter Formation). GeoRef...
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Photographs illustrating the fractures at some of the outcrops surveyed as indicated on figure 3. The hammer’s head points north. a) The orthogonal fracture set developed in Vauréal Formation at Havre du Brick (outcrop 1, Fig. 3); b) The orthogonal fracture sets in Jupiter Formation at Rivière du Brick (outcrop 10, Fig. 3); c) Long vertical EW fractures developed in a cliff wall, Jupiter Formation at Jupiter la Mer, fracture orientations are reported on stereonet J1 in Figure 3; d) Fractures in Chicotte Formation at Pointe du Sud-Ouest, fracture orientations are reported on stereonet C2, Figure 3.

Photographs illustrating the fractures at some of the outcrops surveyed as ...

Published: 01 March 2010
Fig. 4. Photographs illustrating the fractures at some of the outcrops surveyed as indicated on figure 3 . The hammer’s head points north. a) The orthogonal fracture set developed in Vauréal Formation at Havre du Brick (outcrop 1, Fig. 3 ); b) The orthogonal fracture sets in Jupiter Formation
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Figure6—1–12,Stegerhynchus peneborealis (s.s.): 1–5, YPM10422, lectotype, dorsal, ventral, lateral, posterior, and anterior views, Pavillon Member, Jupiter Formation, Jumpers; 6–9, YPM08550, paralectotype, dorsal, ventral, lateral, and anterior views, same locality; 10–12, GSC102429, dorsal, ventral, and anterior views, lower Goéland Member, Jupiter Formation, locality C635. 13–23,Stegerhynchus deltolingulatus n. sp., locality C663, uppermost Goéland Member, Jupiter Formation; 13–15, GSC102427, paratype, dorsal, lateral, and anterior views of relatively small shell showing prominent sulcus; 16–18, GSC102426, paratype, ventral, lateral, and anterior views of shell showing strong, angular sulcus; 19–23, GSC102423, holotype, dorsal, ventral, lateral, posterior, and anterior views. All specimens from Anticosti Island; scale bars = 5 mm

Figure 6 — 1–12, Stegerhynchus peneborealis (s.s.): 1–5, YPM10422, lec...

Published: 01 September 2004
Figure 6 — 1–12, Stegerhynchus peneborealis (s.s.): 1–5, YPM10422, lectotype, dorsal, ventral, lateral, posterior, and anterior views, Pavillon Member, Jupiter Formation, Jumpers; 6–9, YPM08550, paralectotype, dorsal, ventral, lateral, and anterior views, same locality; 10–12, GSC102429
Journal Article

Ordovician and Silurian nautiloid cephalopods from Anticosti Island: traject across the Ordovician–Silurian (O–S) mass extinction boundary

Charles Hepworth Holland, Paul Copper
Published: 14 November 2008
Canadian Journal of Earth Sciences (2008) 45 (9): 1015–1038.
DOI: https://doi.org/10.1139/E08-048
.... The initial earliest Silurian (Rhuddanian, Becscie Formation) recovery nautiloid fauna is impoverished, with low diversity (one sp.?), and generally dwarfed, to shells with diameters of <1 cm. Nautiloid diversity expanded and progressed to some 22 species in the late Aeronian through Telychian Jupiter...
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View PDF for article title, Ordovician and Silurian nautiloid cephalopods from Anticosti Island: traject across the Ordovician–Silurian (O–S) mass extinction boundary
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Journal Article

Bridging the gap between Quebec and Newfoundland: new insights on the protracted and diachronic history of the Anticosti foreland basin

Nicolas Pinet
Published: 15 October 2024
Canadian Journal of Earth Sciences (2025) 62 (1): 66–92.
DOI: https://doi.org/10.1139/cjes-2024-0072
... and geometry. Conjunct interpretation of magnetic and seismic datasets provides new insight on the geometry of the Anticosti Basin and indicates that (i) a relatively thick (∼2 km) post-Llandovery (post-Jupiter Formation) sedimentary succession occurs in the core of two regional synclines where youngest...
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View PDF for article title, Bridging the gap between Quebec and Newfoundland: new insights on the protracted and diachronic history of the Anticosti foreland basin
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Journal Article

The deep-water brachiopod Dicoelosia King, 1850, from the Early Silurian tropical carbonate shelf of Anticosti Island, eastern Canada

Jisuo Jin, Paul Copper
Published: 01 November 1999
Journal of Paleontology (1999) 73 (6): 1042–1055.
...Jisuo Jin; Paul Copper Abstract Dicoelosia occurs in two deep water benthic shelly assemblages on an Early Silurian (uppermost Aeronian, Stimulograptus sedgwickii Zone) carbonate ramp to shelf, within the 25 m thick bluish-grey mudstone of the Richardson Member in the middle Jupiter Formation...
Add to Citation Manager for The deep-water brachiopod Dicoelosia King, 1850, from the Early Silurian tropical carbonate shelf of Anticosti Island, eastern Canada
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Idealized reconstruction of Rhenopyrgus viviani n. sp. Silurian (lower Telychian), Jupiter Formation, Jupiter River, Anticosti Island, Canada. Note individuals with extended and contracted suboral constrictions and with only the coriaceous sac and very distal part of the pyrgate zone buried in the substrate.

Idealized reconstruction of Rhenopyrgus viviani n. sp. Silurian (lower Te...

Published: 01 January 2020
Figure 5. Idealized reconstruction of Rhenopyrgus viviani n. sp. Silurian (lower Telychian), Jupiter Formation, Jupiter River, Anticosti Island, Canada. Note individuals with extended and contracted suboral constrictions and with only the coriaceous sac and very distal part of the pyrgate zone
Journal Article

Paleolatitudinal morpho-gradient of the early Silurian brachiopod Pentameroides in Laurentia

Cale A.C. Gushulak, Jisuo Jin, David M. Rudkin
Published: 13 January 2016
Canadian Journal of Earth Sciences (2016) 53 (7): 680–694.
DOI: https://doi.org/10.1139/cjes-2015-0183
..., and the Jupiter Formation, Anticosti Island, Quebec, were biometrically analyzed for seven external morphological features. Bivariate and ordination analysis (principal components analysis) revealed that P. septentrionalis has a more globose, more biconvex shell with a larger ventral umbo than P. subrectus...
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View PDF for article title, Paleolatitudinal morpho-gradient of the early Silurian brachiopod Pentameroides in Laurentia
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Journal Article

Rocky shoreline deposits in the Lower Silurian (upper Llandovery, Telychian) Chicotte Formation, Anticosti Island, Quebec

André Desrochers
Published: 02 October 2006
Canadian Journal of Earth Sciences (2006) 43 (8): 1205–1214.
DOI: https://doi.org/10.1139/e06-054
... thick) that prograded over deeper middle to outer ramp facies of the underlying Jupiter Formation in response to a long-term sea-level fall. The typical depositional unit in the Chicotte Formation is a metre-scale subtidal cycle indicating that higher frequency sea-level changes were also present. Metre...
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View PDF for article title, Rocky shoreline deposits in the Lower Silurian (upper Llandovery, Telychian) Chicotte <span class="search-highlight">Formation</span>, Anticosti Island, Quebec
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