roadcut north of Sister Bay, near intersection of Highway 42 and County Road Z (Silurian of the United States)

Also known as Pentamerus community, Manistique Fm, 30146 - Patzkowsky

Where: Wisconsin (45.2° N, 87.1° W)

• Paleocoordinates: 25.2° S, 98.3° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Schoolcraft Formation (Manistique Group), Telychian (438.6 - 432.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified packstone

• Moderate energy deposits formed above fair-weather wave base.
• Preserved as packstone beds.

Size class: macrofossils

Preservation: cast

Primary reference: R. Watkins. 1994. Evolution of Silurian Pentamerid Communities in Wisconsin. Palaios 9:488-499 [M. Patzkowsky/Z. Krug]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 12991: authorized by Mark Patzkowsky, entered by Zack Krug on 14.01.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea sp. stromatoporoid sponge
Anthozoa
 Auloporida - Syringoporidae
Syringoporidae indet. Fromentel 1864 tabulate coral
 Rugosa -
Rugosa "sp. 1" horn coral
solitary rugosan
Rhynchonellata
 Pentamerida - Pentameridae
Pentamerus oblongus de Sowerby 1839
Cephalopoda
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
cyrtoconic