GSC 57572, Aberdeen Lake, Keewatin: Richmondian, Canada
collected by J.A. Donaldson 1963
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
- Sarcinulida
- Syringophyllidae
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Calapoecia ungava
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Anthozoa
- Favositida
- Favositidae
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Saffordophyllum churchillensis
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Anthozoa
- Lichenariida
- Lyoporidae
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Nyctopora sp.
Nicholson 1879
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Anthozoa
- Heliolitida
- Palaeoporitidae
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Protrochiscolithus cummingi
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Anthozoa
- Stauriida
- Streptelasmatidae
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Grewingkia sp.
Dybowski 1873
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Bighornia bottei
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Hyolithelminthida
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Phosphannulus universalis
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8 specimens | |||||||||
unclassified
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Echinodermata indet.
Klein 1754
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columnal debris, both round and pentagonal | ||||||||||
Conodonta
- Belodellida
- Belodellidae
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Walliserodus cf. curvatus
(Branson and Branson 1947)
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11 specimens | |||||||||
Conodonta
- Prioniodontida
- Balognathidae
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Amorphognathus sp.
Branson and Mehl 1933
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6 specimens | |||||||||
Conodonta
- Prioniodontida
- Acodontidae
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Acodus sp.
Pander 1856
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3 specimens | |||||||||
Conodonta
- Panderodontida
- Panderodontidae
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Plegagnathus nelsoni
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1 specimen | |||||||||
Plegagnathus dartoni
Stone and Furnish 1959
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2 specimens | |||||||||
Belodina profunda
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1 specimen | |||||||||
Panderodus breviusculus
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5 specimens | |||||||||
Panderodus informal n. sp. A
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3 specimens | |||||||||
Panderodus informal n. sp. B
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16 specimens | |||||||||
Panderodus informal n. sp. C
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2 specimens | |||||||||
Panderodus panderi
(Stauffer 1940)
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2 specimens | |||||||||
Panderodus gracilis
(Branson and Mehl 1933)
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15 specimens | |||||||||
Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus suberectus
(Branson and Mehl 1933)
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4 specimens | |||||||||
Palaeoscolecida
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Milaculum ethinclarki
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2 specimens | |||||||||
Ostracoda
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Ostracoda indet.
Latreille 1802
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smooth tiny form | ||||||||||
Trilobita
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Trilobita indet.
Walch 1771
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trilobite fragments | ||||||||||
Cephalopoda
- Actinocerida
- Armenoceratidae
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Armenoceras michaudae
Bolton and Nowlan 1979
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Cephalopoda
- Oncocerida
- Diestoceratidae
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Diestoceras sp.
Foerste 1924
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Gastropoda
- Murchisoniina
- Trochonematidae
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Trochonema cf. coxi
Wilson 1938
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originally entered as "Trochonema cf. coxi" | ||||||||||
see common names |
Geography
Country: | Canada | State/province: | Nunavut | County: | Keewatin |
Coordinates: | 64.9° North, 98.8° West (view map) | ||||
Paleocoordinates: | 0.8° South, 47.4° West | ||||
Basis of coordinate: | estimated from map |
Time
Period: | Ordovician | Epoch: | Late Ordovician |
Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
*Period: | Late/Upper Ordovician | *Local age/stage: | Richmondian |
Key time interval: | Richmondian | Conodont zone: | Conodont Fauna 12 |
Age range of interval: | 449.8 - 446 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Aberdeen Lake | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: "U. Ord. (prob. Richmondian). Aberdeen Lake Fm. Outlier" |
Lithology and environment
Primary lithology: | gray "limestone" |
Environment: | marine indet. |
Geology comments: "grey, buff-to-grey weathering, finely crystalline, soft, friable, ls. undul and irreg. bedding." |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | GSC | ||
Collectors: | J.A. Donaldson | Collection dates: | 1963 |
Taxonomic list comments:"T.E. Bolton and G.S. Nowlan, 1979. A late Ord fossil assemblage from an outlier north of aberdeen lake, district of keewatin. Geol. Surv. Can. Bull. 321, pp.1-2[illeg]" |
Metadata
Database number: | 360 | ||
Authorizer: | A. Miller, J. Sepkoski, P. Wagner | Enterer: | M. Sommers, P. Wagner |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 1998-11-20 10:07:18 | Last modified: | 2019-06-11 12:59:56 |
Access level: | the public | Released: | 1998-11-20 10:07:18 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
36817. | T. E. Bolton and G. S. Nowlan. 1979. A Late Ordovician fossil assemblage from an outlier north of Aberdeen Lake, District of Keewatin. Geological Survey of Canada Bulletin 321:1-26 [P. Wagner/P. Wagner/M. Uhen] |