Pelagic community, Headless Fm. (Devonian to of Canada)

Where: Northwest Territories, Canada (70.0° N, 95.0° W)

• Paleocoordinates: 2.7° S, 48.2° W (Wright 2013)

• coordinate based on political unit

When: Headless Formation, Eifelian to Eifelian (393.3 - 382.7 Ma)

Environment/lithology: marine; pyritic, calcareous shale and limestone

• "shales, calcareous (often platy bedded) in frequent ls interbeds. pyrite common. BA6"

Size class: macrofossils

Primary reference: J. P. A. Noble and R. D. Ferguson. 1971. Facies and Faunal Relations at Edge of Early Mid-Devonian Carbonate Shelf South Nahanni River Area, NWT. Bulletin of Canadian Petroleum Geology 19(3):570-588 [M. Uhen/M. Uhen/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 623: authorized by Arnold Miller, entered by Mike Sommers on 06.04.1999

Creative Commons license: CC0 (CC0)

Taxonomic list

• "Noble and Ferguson, 1971"
Show authors, comments, and common names
unclassified
  -
Goniatida indet.
Goniatida indet.
other goniatids
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
ostracodes
Tentaculita
 Nowakiida - Nowakiidae
"Novakia sp." = Nowakia
"Novakia sp." = Nowakia Gurich 1896
 Styliolinida - Styliolinidae
Styliolina sp.
Styliolina sp. Karpinsky 1884
Lingulata
 Lingulida - Lingulidae
Lingula sp.
Lingula sp. Bruguiére 1797
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
? Rhynchonellidae indet.
? Rhynchonellidae indet. Gray 1848
rhynchonellids? - originally entered as "? Rhynchonellida indet."
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp.
Tentaculites sp. von Schlotheim 1820
Cephalopoda
 Nautiloidea -
Nautiloidea indet.
Nautiloidea indet. Agassiz 1847 nautiloid
orthoconic nautiloids
 Agoniatitida - Anarcestidae
Anarcestes sp.
Anarcestes sp. Mojsisovics 1882 ammonite
 Agoniatitida - Agoniatitidae
Agoniatites sp.
Agoniatites sp. Meek 1877 ammonite
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoids