Mount Nautilus, Northern Baffin Island and Bylot Island (Ordovician of Canada)

Where: Nunavut, Canada (73.0° N, 78.0° W: paleocoordinates 1.1° N, 36.7° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Richmondian (449.6 - 445.5 Ma)

Environment/lithology: limestone

• Environmental call by T. Hanson.

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 24186: authorized by Steven Holland, entered by Tori Hanson on 01.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Collected by Freuchen, 1924.
Show authors, comments, and common names
Cephalopoda
 Endocerida - Endoceratidae
Cyclendoceras sp.
Cyclendoceras sp. Grabau and Shimer 1910
 Tarphycerida - Trocholitidae
Discoceras sp.
Discoceras sp. Barrande 1867
 Actinocerida - Gonioceratidae
Lambeoceras cf. lambei
Gastropoda
 Euomphalina - Macluritidae
Maclurites triangularis, "Maclurites manitobensis" = Maclurina manitobensis
Maclurites triangularis Teichert 1937 snail
"Maclurites manitobensis" = Maclurina manitobensis Whiteaves 1890 snail
Maclurites manitobensis ovalis
Rhynchonellata
 Orthida - Hesperorthidae
Hesperorthis arctica
Anthozoa
 Favositida - Favositidae
Favosites sp.
Favosites sp. Lamarck 1816 tabulate coral
 Sarcinulida - Syringophyllidae
"Calapoecia canadensis" = Calapoecia coxi
"Calapoecia canadensis" = Calapoecia coxi Bassler 1950 tabulate coral
Calapoecia canadensis ungava
 Heliolitida - Heliolitidae
Heliolites sp.
Heliolites sp. Dana 1846 tabulate coral
 Heliolitida - Halysitidae
Halysites sp.
Halysites sp. von Waldheim 1813 tabulate coral
 Stauriida - Streptelasmatidae
Streptelasma goniophylloides
Chlorophyceae
  - Receptaculitidae
Receptaculites sp.
Receptaculites sp. Defrance 1827