Tuesday, July 19, 2011

Silurian Brachiopods - Indiana

Eospirifer radiatus

Brachiopods shown are: Atrypa reticularis?, Eospirifer eudora, Eospirifer radiatus, Homoeospira evax, Laptaena waldronensis, Meristina maria, Parmorthis waldronensis, Rhynchotreta cuneata, Stegerhynchus sp., and Whitfieldella nitida

These 10 fossils are from Middle Silurian Period (423-418 million years ago). All fossils were found in Clark County Indiana USA in the Waldron Shale.

They are now for sale till July 22, 2011: CLICK HERE for eBay listing

Gracillariid Leaf Mine Fossil

Leaf mine fossil made by moth caterpillar (Gracillariid sp.) from the Cretaceous Period.  Fossil on display (2010) at Smithsonian National Museum of Natural History - Washington D.C.

Display lists it as "The scar on this fossil leaf shows where a moth tunneled into the leaf to feed on the plant tissue."