Anderson Headland, Nettilling Lake (Ordovician to of Canada)

Where: Nunavut, Canada (66.4° N, 71.2° W: paleocoordinates 8.5° S, 40.4° 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 24229: authorized by Steven Holland, entered by Tori Hanson on 02.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Studied and identified by Wilson (1928; 1931)
Rhynchonellata
 Atrypida - Atrypidae
Atrypa sp. Dalman 1828
Atrypa-like fragment
Gastropoda
 Trochonematoidea - Trochonematidae
Trochonema sp. Salter 1859 snail
 Euomphalina - Macluritidae
Maclurites altus Wilson 1931 snail
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
Cephalopoda
 Orthocerida -
  -
 Actinocerida - Armenoceratidae
? Elrodoceras sp. Foerste 1924
Anthozoa
 Heliolitida - Halysitidae
Halysites gracilis tabulate coral
Halysites gracilis borealis
 Stauriida - Streptelasmatidae
Chlorophyceae
  - Receptaculitidae
Receptaculites sp. Defrance 1827