Submitted on 2008-10-06 by Ken Dobson

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: As noted by Scott Vergiels in his photo in this archive, most fossils are flattened somewhat by being buried and uncompressed examples are are unusual.

Photo title: A nice uncompressed example of the favorite Silica Trilobite, Phacops crassituberculata

Taxa present: Phacops crassituberculata

View full record

Submitted on 2008-10-07 by Ken Dobson

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes:

Photo title: Detail of arms and crown

Taxa present: Megistocrinus nodosus

View full record

Submitted on 2008-10-07 by Ken Dobson

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: Also the extent and variety of bryozoa is clear on the plate.

Photo title: This shows the detail of the stem with the cirri and the base of another incomplete Megistocrinus

Taxa present: Megistocrinus nodosus

View full record

Submitted on 2008-10-07 by Ken Dobson

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: This view is photographed on a black background that can show details not seen in natural color.

Photo title: Another view to show detail of the whole crinoid

Taxa present: Megistocrinus nodosus

View full record