Heliophyllum Horn Coral with Aulopora

This fossil has been prepared with abrasive cleaning to reveal a nice Aulopora coral colony growing on a larger Heliophyllum horn coral. The fossil is from the Devonian Period and was found in Clark County, Indiana, USA. Thanks to Kenny for loaning it to me.

Heliophyllum of the North Vernon Limestone

Heliophyllum sp. horn coral found in the Beechwood Member of the North Vernon Limestone of Clark County, Indiana.  This coral existed in the Devonian Period.

Indiana Horn Coral - Heliophyllum

Searching through horn corals I have collected in 2009 I hope to find a Bordenia knappi (Hall, 1882).  Instead I continue to identify Heliophyllum sp. (Hall) horn coral fossils. Here are some images of 4 more that seemed picture worthy.

These horn coral fossils were found Jeffersonville or Beechwood Limestone of Clark County, Indiana. They existed in the Devonian Period.

Here is a budding horn coral emerging from a parent horn coral.

 

 

Devonian Heliophyllum Horn Corals

Here are two specimens found in Clark County, Indiana in the Jeffersonville Limestone. They are both Heliophyllum sp. with the second picture of one budding another horn coral.

Devonian Heliophyllum Horn Coral

Here is a Middle Devonian period Heliophyllum sp. horn coral found in the Jeffersonville Limestone of Louisville, Kentucky. It measures about 7 cm in length and 3 cm wide.