Amadjuak Lake, South Beach (Ordovician to of Canada)

Where: Nunavut, Canada (63.0° N, 71.0° W: paleocoordinates 11.6° S, 41.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Middle Ordovician to Middle Ordovician (470.0 - 443.4 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: A. K. Miller, W. Youngquist, and C. Collinson. 1954. Ordovician cephalopod fauna of Baffin Island. Geological Society of America Memoir 62:1-234 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24241: authorized by Steven Holland, entered by Tori Hanson on 02.08.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Studied and identified by Wilson (1928; 1931)
Chlorophyceae
  - Receptaculitidae
Receptaculites sp. Defrance 1827
Anthozoa
 Sarcinulida - Syringophyllidae
Calapoecia anticostiensis Billings 1865 tabulate coral
 Stauriida - Streptelasmatidae
Streptelasma sp. Hall 1847 horn coral
? Streptelasma arcticum Wilson 1931 horn coral
Gastropoda
 Euomphalina - Macluritidae
Maclurites altus Wilson 1931 snail
 Murchisoniina - Loxonematidae
Loxonema sp. Phillips 1841 snail
 Murchisoniina - Trochonematidae
Trochonema sp. Salter 1859 snail
 Murchisoniina - Eotomariidae
Eotomariidae indet. Wenz 1938 snail
Cephalopoda
 Endocerida - Endoceratidae
Endoceras sp. Hall 1847
? Endoceras sp. Hall 1847