Brachiopods of the Waldron Shale

Rhynchotreta cuneata

This post includes pictures of 19 different species of brachiopods found in the Waldron Shale of Clark County, Indiana.  They existed in the Silurian Period.  The Atrypa or Stegerhynchus are the most common found.

Eospirifer eudora

Whitfieldella nitida

Eospirifer radiatus

Laptaena waldronensis

Meristina maria

Unicinulus stricklandi

Stegerhynchus sp.

Parmorthis waldronensis (Foerste)

Rhipidomella hybrida

Atrypa reticularis

Homoeospira evax

Uncinulus saffordi

Fardenia subplana

"Orthis" subnodosa

Dictyonella reticulata

Spirifer (Delthyris) crispus simplex

Protomegastrophia profunda

Sieberella roemeri?