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
|
||||||||||
|
Calapoecia ungava
|
||||||||||
|
Anthozoa
- Favositida
- Favositidae
|
||||||||||
|
Saffordophyllum churchillensis
|
||||||||||
|
Anthozoa
- Lichenariida
- Lyoporidae
|
||||||||||
|
Nyctopora sp.
Nicholson 1879
|
||||||||||
|
Anthozoa
- Heliolitida
- Palaeoporitidae
|
||||||||||
|
Protrochiscolithus cummingi
|
||||||||||
|
Anthozoa
- Stauriida
- Streptelasmatidae
|
||||||||||
|
Grewingkia sp.
Dybowski 1873
|
||||||||||
|
Bighornia bottei
|
||||||||||
|
Hyolithelminthida
|
||||||||||
|
Phosphannulus universalis
|
8 specimens | |||||||||
|
unclassified
|
||||||||||
|
Echinodermata indet.
Klein 1754
|
||||||||||
| columnal debris, both round and pentagonal | ||||||||||
|
Conodonta
- Belodellida
- Belodellidae
|
||||||||||
|
Walliserodus cf. curvatus
(Branson and Branson 1947)
|
11 specimens | |||||||||
|
Conodonta
- Prioniodontida
- Balognathidae
|
||||||||||
|
Amorphognathus sp.
Branson and Mehl 1933
|
6 specimens | |||||||||
|
Conodonta
- Prioniodontida
- Acodontidae
|
||||||||||
|
Acodus sp.
Pander 1856
|
3 specimens | |||||||||
|
Conodonta
- Panderodontida
- Panderodontidae
|
||||||||||
|
Plegagnathus nelsoni
|
1 specimen | |||||||||
|
Plegagnathus dartoni
Stone and Furnish 1959
|
2 specimens | |||||||||
|
Belodina profunda
|
1 specimen | |||||||||
|
Panderodus breviusculus
|
5 specimens | |||||||||
|
Panderodus informal n. sp. A
|
3 specimens | |||||||||
|
Panderodus informal n. sp. B
|
16 specimens | |||||||||
|
Panderodus informal n. sp. C
|
2 specimens | |||||||||
|
Panderodus panderi
(Stauffer 1940)
|
2 specimens | |||||||||
|
Panderodus gracilis
(Branson and Mehl 1933)
|
15 specimens | |||||||||
|
Conodonta
- Protopanderodontida
- Drepanoistodontidae
|
||||||||||
|
Drepanoistodus suberectus
(Branson and Mehl 1933)
|
4 specimens | |||||||||
|
Palaeoscolecida
|
||||||||||
|
Milaculum ethinclarki
|
2 specimens | |||||||||
|
Ostracoda
|
||||||||||
|
Ostracoda indet.
Latreille 1802
|
||||||||||
| smooth tiny form | ||||||||||
|
Trilobita
|
||||||||||
|
Trilobita indet.
Walch 1771
|
||||||||||
| trilobite fragments | ||||||||||
|
Cephalopoda
- Actinocerida
- Armenoceratidae
|
||||||||||
|
Armenoceras michaudae
Bolton and Nowlan 1979
|
||||||||||
|
Cephalopoda
- Oncocerida
- Diestoceratidae
|
||||||||||
|
Diestoceras sp.
Foerste 1924
|
||||||||||
|
Gastropoda
- Murchisoniina
- Trochonematidae
|
||||||||||
|
Trochonema cf. coxi
Wilson 1938
|
||||||||||
| 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] |