This pictures show a crinoid holdfast growing on the side of a fallen crinoid stem. The fossils were found in the New Providence Formati...

These pictures are not of fossils but of a modern day bivalve. It is a cross-hatched lucine ( Divaricella quadrisulcata Orbigny 1842). I...

This year's Christmas greeting image was created with specimens from two locations. The star (thin section of crinoid stem), trunk (...