Rockport Quarry Limestone

The Rockport Quarry Limestone is a geologic formation in Michigan. It preserves fossils dating back to the middle Devonian period.

Fossil content

Vertebrates

The Devonian vertebrate fauna of the Rockport Quarry Limestone is the most diverse in Michigan.

Acanthodians

Cartilaginous fish

Placoderms

Invertebrates

Brachiopods

Bryozoans

Crustaceans

Echinoderms

Molluscs

Sponges

Trilobitomorphs

Plants and algae

Cyanophytes

Foraminifera

See also

• List of fossiliferous stratigraphic units in Michigan

References