More Devonian Coral Finds

I found this mineral deposit in a coral piece. It looks like pyrite but there is some green in this.

Some sort of hexagon type coral.

Here is a Devonian period coral call Favosites turbinatus or "knee cap" coral. This knee cap coral might be the biggest one I have found. It is about 11 cm in diameter.

Other side of the previous Favosites turbinatus coral shown.

Still wet from being cleaned but some delicate branching Devonian corals.

Unknown Devonian brachiopod embedded is the rock block. Nice view of its fossilized lophophore.

Here is a Devonian period horn coral with a budding daughter coral. It is probably a Cystiphylloides sp.

Here are some fragments of snail molds. The snail more than like was the Devonian period Turbinopsis shumardi.

Devonian Trilobite Trypaulites?

I found the rear section of a Devonian trilobite the other day. It was different than ones I have found before in that the center line or axial lobe was arched up like the roof of a house. These seems to match with a Trypaulites trilobite.

Since the piece is turned over I mold its shape with some Crayola modeling clay.

Silurian and Devonian Corals

Here are some fossils I have found in the Devonian/Silurian period layer or Jeffersonville/Louisville limestone. These fossils were found in Jefferson County, Kentucky.



First is a cross section of a Stromatoporoid sponge.



This next fossil is a cross section of Siphonophrentis elongata horn coral. I normally find this in reddish-brown-white rock but this one is light gray. On the other side it still has texture of the horn coral surface preserved.

Here is a polyp jutting out of the surface of a Heliolites coral.

Here are some pipe organ corals. I have not found a piece this big before. I have been using a ruler I got at the Cincinnati GeoFair 2009 from Kent State University exhibit. It is quite handy.

I am not sure what this next plate is called. It could be Heliolites coraL.

Here is a hemispherical shaped coral that might be some sort of Heliolites.

Another coral I am not sure what it is called. It has some distinctive growth rings.

Here is a Favosites or honey comb coral.