These Leptaena waldronensis brachiopod fossils have been cleaned with sand abrasion.  They were found in the Waldron Shale of Clark County...

Silurian Period Myelodactylus convolutus crinoid arm/stem fossil found in the Waldron Shale of Clark County, Indiana, USA.  This fossil...

Earlier in the year, I posted an image of this Bumastus niagarensis (originally described in 1879 as Illaenus niagarensis ) when it was fou...