Quadrifarius Community of the Stonehouse Formation, Arisaig, Nova Scotia (Silurian to of Canada)

Where: Nova Scotia, Canada (45.7° N, 62.1° W: paleocoordinates 36.9° S, 15.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Stonehouse Formation, Pridoli to Pridoli (423.0 - 393.3 Ma)

• Community and formation both range from Pridolian through Gedinnian.

• formation-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; sandstone

• "Geographic and stratigraphic relations with associated communities suggest BA 2...moderate degree of current activity indicated by [shell disarticulation and sand-size grains]."

•SEP environmental call based on given information

• Community in general "occurs in fine-grained to medium-grained sandstone that may be very argillaceous, or in their carbonate equivalents."

Collection methods: Abundances stated in text.

Primary reference: A. J. Boucot. 1999. Some Wenlockian-Geddinian, chiefly brachiopod dominated communities of North America. In A. J. Boucot, J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 549-591 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24898: authorized by Michael Foote, entered by Michael Foote on 22.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Spiriferida - Delthyrididae
"Quadrifarius sp." = Delthyris (Quadrifarius)
"Quadrifarius sp." = Delthyris (Quadrifarius)
 Orthida - Dalmanellidae
Isorthis sp.
Isorthis sp. Kozlowski 1929