Tolkien Reefs, Greely Fiord, Ellesmere Island (Permian of Canada)

Also known as Reef 3394

Where: Nunavut, Canada (80.8° N, 79.9° W: paleocoordinates 30.1° N, 3.0° E)

• coordinate stated in text

• local area-level geographic resolution

When: Asselian (298.9 - 295.5 Ma)

• The Tolkien Reefs interfinger with the upper part of the Mount Bayley Formation, immediately below the Tanquary Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks and lithified wackestone

• The reefs range from 50 m to over 130 m in thickness and between 50 m and 500 m in width and length. Facies of the core and inner flank comprise bryozoan-Tubiphytes-stromatactoid (sponge) boundstone, bryozoan cementstone, bryozoan mudstone-wackestone and bryozoan (fusulinacean) packstone-grainstone. Facies of the outer flank include algal boundstone and fusulinid-algal grainstone-rudstone.

Size classes: macrofossils, mesofossils, microfossils

Collection methods: peel or thin section,

Primary reference: B. Beauchamp and B. Olchowy. 2003. Early Permian buildups (Tolkien Reefs) associated with subaqueous evaporites, Canadian Arctic: a record of syn-tectonic to post-tectonic reciprocal uplift and subsidence. SEPM Special Publication 78:133-153 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 75626: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.10.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Chlorophyceae
 Dasycladales - Seletonellaceae
Epimastoporella sp., Epimastopora sp.
Epimastopora sp. Pia 1922
Ulvophyceae
 Bryopsidales - Codiaceae
Ivanovia sp.
Ivanovia sp. Khvorova 1946
 Bryopsidales - Halimedaceae
Eugonophyllum sp.
Eugonophyllum sp. Konishi and Wray 1961
Foraminifera
 Tetrataxoidea - Tetrataxidae
Tetrataxis sp.
Tetrataxis sp. Ehrenberg 1854
  -
Eolasiodiscus sp.
Florideophyceae
 Cryptonemiales - Archaeolithophyllaceae
Archaeolithophyllum sp.
Anthozoa
 Auloporida - Syringoporidae
Syringoporidae indet.
Syringoporidae indet. Fromentel 1864 tabulate coral
Hydrozoa
  - Nigriporellidae
Tubiphytes sp.
Tubiphytes sp. Maslov 1956
unclassified
  -
Porifera indet., Echinodermata indet.
Porifera indet. Grant 1836
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Brachiopoda
  -
Brachiopoda indet.
Brachiopoda indet. Cuvier 1805
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831