Whitfieldella Brachiopod with Texture

 

This brachiopod is a fresh extraction from the Waldron Shale after over 400,000,000 years of entombment.  An intriguing fossil because it has part of its shell still left but it such a thin layer that one can see the inside texture.  The fossil measures at 2.5 cm length, 2.2 cm width, 1.5 cm height and 10.7 g weight.

Creature existed in the Middle Silurian Period and was found in Clark County, Indiana.  It appears to be of the genus Whitfieldella.