Asteroceras stellare Ammonite Fossil

This image is of an ammonite cross cut section on display at the British Natural History Museum in London England. The creature was called Asteroceras stellare and lived during the early Jurassic period.

Fossil on display August 2016.

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.