Rhodophyte Algae Fossil

This fossil is Rhodophyte (red) algae. It was found in the siltstone facies of Salem Limestone of Hardin County Kentucky USA. The plant dates back to the Middle Mississippian Period.

Thanks to Alan for letting me photograph it.

Dokophyllum intertrium Horn Coral Fossil

This horn coral fossil was discovered in the Waldron Shale of Clark County, Indiana USA. It appears to be a Dokophyllum intertrium (Hall). The fossil dates to the Middle Silurian Period (Wenlockian). Fossil is about 3 cm wide at top and 4 cm tall.

Thanks to Alan for letting me take a picture of it.

Favosites cristatus Coral Fossil

This coral fossil was found in the Waldron Shale of Clark County, Indiana USA. It appears to be a Favosites cristatus Davis.The fossil dates to the Middle Silurian Period (Wenlockian).


Thanks to Alan for letting me image it.