GRANTS.ROCKS

Fossils I've Found on the Beach

A catalog of fossils, mostly corals, that I have collected and identified.

Chain Coral

Halysites sp. "Chain Coral"

Chain coral in a sandstone matrix, collected along Lake Superior's shore.

  • Halysites
  • Tabulata
  • Chain Coral
  • Lake Superior
Crinoid Stem

Crinoid Stem

Crinoid stem sections in limestone, collected on Lake Michigan's shore.

  • Crinoid
  • Devonian
  • Silurian
  • Lake Michigan
Silicified Favosites sp.

Favosites sp.

Silicified Favosites sp. in limestone matrix, collected on Lake Michigan's shore.

  • Favosites
  • Tabulata
  • Silicified
  • Lake Michigan
Favosites sp.

Favosites sp.

Silicified Favosites sp. in limestone matrix, collected on Lake Michigan's shore.

  • Favosites
  • Tabulata
  • Silicified
  • Lake Michigan
Favosites sp.

Favosites sp.

A mostly complete specimen of Favosites sp., collected on Lake Michigan's shore.

  • Favosites
  • Tabulata
  • Agatized
  • Lake Michigan
Rugosa Coral

Rugosa Coral

A solitary rugose coral with a quartz-lined cavity.

  • Rugosa
  • Quartz
  • Lake Michigan
Hexagonaria cf. percarinata

Hexagonaria cf. percarinata

A Petoskey Stone, collected on Lake Michigan's shore.

  • Polished
  • percarinata
  • Hexagonaria
  • Lake Michigan
Rugosa Coral

Rugosa Coral

A rugose coral in stone, collected on Lake Michigan's shore.

  • Rugosa
  • Lake Michigan