Gaspé Peninsula, Murphy Creek, White Head Formation Unit 1 (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: 1 Member (White Head Formation), Ashgill (449.5 - 443.7 Ma)

• "Unit" 1.

• member-level stratigraphic resolution

Environment/lithology: deep subtidal; sandstone

• Basal sandstone and succeeding coarse calcarenite beds.

Size class: 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 24858: authorized by Steven Holland, entered by Tori Hanson on 21.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Belodellida - Belodellidae
Walliserodus cf. curvatus
Walliserodus cf. curvatus Branson and Branson 1947 conodont
 Prioniodontida - Balognathidae
Amorphognathus sp.
Amorphognathus sp. Branson and Mehl 1933 conodont
Similar to A. ordovicicus
 Prioniodontida -
Phragmodus undatus, Aphelognathus politus
Aphelognathus politus conodont
With Amorphognaths sp., comprises 70% of collection.
 Panderodontida - Panderodontidae
Panderodus gracilis
Panderodus gracilis Branson and Mehl 1933 conodont
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus
Drepanoistodus suberectus Branson and Mehl 1933 conodont