Pentameroides community, Fossil Hill Fm., Manitoulin Island (Silurian of Canada)

Where: Ontario, Canada (45.8° N, 82.3° W: paleocoordinates 20.6° S, 48.8° W)

• coordinate based on political unit

When: Cycle IV zone, upper Member (Fossil Hill Formation), Llandovery (443.4 - 433.4 Ma)

• "Llandovery (upper), ~C4"

Environment/lithology: marine; gray dolomite

• "thin and med-bedded grey dolomite. quiter and/or deeper water than favositid community. cratonic (BA3)"

Size class: macrofossils

Primary reference: G. A. Cooper. 1978. Paleoenvironments and paleocommunities in the Ordovician-Silurian sequence of Manitoulin Island. Michigan Basin Geological Society Special Paper 3:47-61 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 455: authorized by Arnold Miller, entered by Mike Sommers on 10.12.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Cooper, 1978"
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet. stromatoporoid sponge
stromatoporoids
Anthozoa
 Tabulata -
Tabulata indet. tabulate coral
tabulate corals
 Stauriida - Streptelasmatidae
Asthenophyllum sp. Grubbs 1939 horn coral
originally entered as "Athenophyllum sp."
 Cystiphyllida - Goniophyllidae
Goniophyllum sp. Milne-Edwards and Haime 1850 horn coral
Araeopoma sp. Lindström 1883 horn coral
 Cystiphyllida - Cystiphyllidae
Cystiphyllum sp. Lonsdale 1839 horn coral
Rhynchonellata
 Pentamerida - Stricklandiidae
 Pentamerida - Pentameridae
Pentameroides sp. Schuchert and Cooper 1931
 Spiriferida - Cyrtiidae
Eospirifer sp. Schuchert 1913
 Atrypida - Atrypidae