Gaspé Peninsula, Flynn Road, White Head Formation Unit 4 (Ordovician of Canada)

Where: Québec, Canada (48.7° N, 65.8° W: paleocoordinates 23.6° S, 40.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: 4 Member (White Head Formation), Ashgill (449.5 - 443.7 Ma)

• "Unit" 4

• member-level stratigraphic resolution

Environment/lithology: deep subtidal; gray, green, silty limestone and yellow shale

• "[G]reenish-brown to grey sublithographic to silty limestone, with some coarse bioclastic limestone, in beds to about 8 cm, with yellow-weathered shaly interbeds to 4 cm." Lithology from W. B. Skidmore and P. J. Lespérance. 1981. Gaspé Peninsula, Percé area. Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:31-40. Edited by P. J. Lespérance.

Size classes: macrofossils, microfossils

Collection methods: chemical,

Primary reference: G. S. Nowlan. 1981. Late Ordovician - Early Silurian conodont biostratigraphy of the Gaspé Peninsula - a preliminary report. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 2:257-291 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24972: authorized by Steven Holland, entered by Tori Hanson on 23.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Prioniodontida -
Oulodus rohneri
 Prioniodontida - Balognathidae
Amorphognathus ? ordovicicus
Amorphognathus ? ordovicicus Bergström and Bergström 1996 conodont
 Prioniodontida -
Phragmodus undatus
 Panderodontida - Panderodontidae
Panderodus spp., Panderodus liratus, Belodina dispansa, Belodina profunda
Panderodus spp. Ethington 1959 conodont
Belodina dispansa conodont
"Belodina" dispansa
Belodina profunda conodont
"Belodina" profunda
 Ozarkodinida -
Gamachignathus ensifer
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus, ? Paroistodus mutatus
Drepanoistodus suberectus Branson and Mehl 1933 conodont
? Paroistodus mutatus conodont
Disappears near top of unit
Trilobita
 Phacopida - Cheiruridae
"Remipyga sp." = Ceraurinus
"Remipyga sp." = Ceraurinus Barton 1913 trilobite
Anthozoa
 Stauriida - Streptelasmatidae
Lobocorallium vaurealensis
 Favositida - Favositidae
"Palaeofavosites capax" = Paleofavosites
"Palaeofavosites capax" = Paleofavosites tabulate coral
Protozoa
  -
Hercochitina crickmayi