From Wikipedia, the free encyclopedia
The Jupiter Formation is a
geologic formation in
Quebec, well-exposed in the southern third of
Anticosti Island and lying in the
St Lawrence River Valley.
[1] It preserves
fossils dating back to the
Silurian
period.
Fossil content
|
|
|
Color key
|
|
Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
|
Trace Fossils
Trace fossils
|
Genus |
Species |
Presence
|
Material |
Notes |
Images
|
Klemmatoica
|
K. linguliforma
|
Goéland Member.
[2]
|
Associated with the brachiopod Rowellella and the shell of a Phanerotrema.
[2]
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|
|
Trypanites
|
|
Goéland Member.
[3]
|
Borings in gastropod shells.
[3]
|
|
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Vertebrates
Invertebrates
Brachiopods
|
Genus |
Species |
Presence
|
Material |
Notes |
Images
|
Clorinda
|
C. (Phricoclorinda) chaloupensis
|
Cybèle Member.
[5]
|
A749 (112, mostly well-preserved); A850 (178); A937 (about 100,some embedded in small blocks); A939 (44); A1040 (105); A1047 (1); A1064b (76); A1125 (68).
[5]
|
|
|
C. tumidula
|
Goéland, Richardson, Ferrum and Pavillon Members.
[5]
|
|
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C. superundata
|
Goéland Member
[5]
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|
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Costistricklandia
|
C. brevis
|
Pavillon Member.
[5]
|
"A279b (1 broken ventral valve, 1 small slab with interiors exposed) and A333 (>10 fragmentary, disarticulated valves)".
[5]
|
|
|
C. gaspeensis
|
Pavillon Member (top).
[5]
|
A 107-108 (1); A 279b (5 broken valves on small slab); A281 (3); A418-5 (10 valves on slabs); A554 (2).
[5]
|
|
|
Dihelictera
|
D. acrolopha
|
East Point Member.
[6]
|
Several hundred specimens.
[6]
|
|
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Ehlersella
|
E. davidsonii
|
Cybèle and Ferrum members.
[5]
|
|
|
|
E. transulcata
|
Basal Ferrum Member.
[5]
|
A 185 (a crushed shell) and A 1066b (32, variously damaged).
[5]
|
|
|
Joviatrypa
|
J. brabyla
|
Lower Goéland Member.
[6]
|
Several thousand specimens.
[6]
|
|
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Microcardinalia
|
M. (Chiastodoca) salterii
|
Ferrum Member
[5]
|
|
|
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M. (Chiastodoca) richardsoni
|
Goéland and Richardson members.
[5]
|
|
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M. (Chiastodoca) fabatina
|
Upper Ferrum Member.
[5]
|
A101 (270 specimens).
[5]
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M. (Dauphinella) divaricata
|
Cybèle and Ferrum members.
[5]
|
|
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M. (Dauphinella) melissa
|
Uppermost Ferrum Member and Pavillon Member.
[5]
|
|
|
|
M. (Dauphinella) sp.
|
Ferrum and Pavillon Members.
[5]
|
A255 (16 free shells, 6 slabs with shells in life position) and A108 (1 specimen).
[5]
|
|
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Parastrophinella
|
P. ops
|
Upper Richardson Member.
[5]
|
A1158 (3 shells).
[5]
|
|
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P. sp.
|
East Point Member and Ferrum Member.
[5]
|
A863 (1 shell) and A959 (1 shell).
[5]
|
|
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Pentameroides
|
P. subrectus
|
Pavillon Member.
[5]
|
"A333 (about 1 conjoined shell; 40 incomplete specimens), A 1395 (6 conjoined shells, 12 ventral valves)".
[5]
|
|
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Pentamerus
|
P. oblongus
|
Richardson, Cybèle, Ferrum and Pavillon Members.
[5]
|
|
|
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P. palaformis
|
Goéland Member.
[5]
|
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Also found in the
Gun River Formation.
|
|
Rowellella
|
R.? anticostiensis
|
Goéland Member.
[2]
|
Specimen associated with the shell of a Phanerotrema and the trace fossil Klemmatoica linguliforma.
[2]
|
A
lingulid.
|
|
Stricklandia
|
S. gwelani
|
Goéland Member.
[5]
|
|
Also found in the
Gun River Formation.
|
|
S. planirostrata
|
Ferrum Member.
[5]
|
|
|
|
Corals
|
Genus |
Species |
Presence
|
Material |
Notes |
Images
|
Acidolites
|
A. sp.
|
|
|
An unnamed species of the genus.
[7]
|
|
Cornulitids
|
Genus |
Species |
Presence
|
Material |
Notes |
Images
|
Conchicolites
|
|
Goéland Member.
[2]
|
Two individuals encrusting the surface of a Clathrodictyon, which itself is associated with a Phanerotrema shell.
[2]
|
|
|
See also
References
- ^
a
b
c
d
e Copper, P.; Long, D.G.F. (31 October 1990).
"Stratigraphic revision of the Jupiter Formation, Anticosti Island, Canada: a major reference section above the Ordovician-Silurian boundary". Newsletters on Stratigraphy. 23 (1): 11–36.
doi:
10.1127/nos/23/1990/11.
ISSN
0078-0421.
- ^
a
b
c
d
e
f
g
h
i
j Ove, Tapanila, Leif Ebbestad, Jan (2008).
Benthic island community on the back of a snail: Silurian, Anticosti Island, Canada. Uppsala universitet, Evolutionsmuseet.
OCLC
1235121208.
{{
cite book}}
: CS1 maint: multiple names: authors list (
link)
- ^
a
b
c
d Ebbestad, Jan Ove R.; Tapanila, Leif (9 June 2005).
"Non-predatory borings in Phanerotrema (Gastropoda), Early Silurian, Anticosti Island, Québec, Canada". Palaeogeography, Palaeoclimatology, Palaeoecology. 221 (3): 325–341.
doi:
10.1016/j.palaeo.2005.03.003.
ISSN
0031-0182.
- ^
a
b Copper, Paul; Long, Darrel G. F.; Jin, Jisuo (2012).
"The Early Silurian Gun River Formation of Anticosti Island, eastern Canada: A key section for the mid-Llandovery of North America". Newsletters on Stratigraphy. 45 (3): 263.
doi:
10.1127/0078-0421/2012/0024.
ISSN
0078-0421.
- ^
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aa
ab
ac Jin, Jisuo; Copper, Paul.
"Late Ordovician and Early Silurian pentamerid brachiopods of Anticosti Island, Québec, Canada". Palaeontographica Canadiana.
- ^
a
b
c
d Copper, Paul (September 1995).
"Five new genera of Late Ordovician-Early Silurian brachiopods from Anticosti Island, eastern Canada". Journal of Paleontology. 69 (5): 846–862.
doi:
10.1017/s0022336000035526.
ISSN
0022-3360.
S2CID
132079646.
-
^ Dixon, O. A. (January 1986).
"The heliolitid coral Acidolites in Ordovician–Silurian rocks of eastern Canada1". Journal of Paleontology. 60 (1): 26–52.
doi:
10.1017/S002233600002148X.
ISSN
0022-3360.
S2CID
130759173.
- ^
a
b Ewin, Timothy A. M.; Reich, Mike; Graham, Mark R.; Cournoyer, Mario E. (1 December 2019).
"Perforocycloides nathalieae new genus and species, an unusual Silurian cyclocystoid (Echinodermata) from Anticosti Island, Québec, Canada". PalZ. 93 (4): 625–635.
doi:
10.1007/s12542-019-00483-w.
hdl:
10141/622663.
ISSN
1867-6812.
-
^ Ewin, T. A. M.; Martin, M.; Isotalo, P.; Zamora, S. (2020).
"New rhenopyrgid edrioasteroids (Echinodermata) and their implications for taxonomy, functional morphology, and paleoecology". Journal of Paleontology. 94. Universidad de Zaragoza: 115–130.
doi:
10.1017/jpa.2019.65.
ISSN
0022-3360.
S2CID
204263950.
-
^
"The Silurian trilobite Encrinurus punctatus (Wahlenberg) and allied species | The Palaeontological Association". www.palass.org. Retrieved 19 September 2022.