Prorichthofenia permiana
Early Permian (Wolfcampian)
Glass Mountains, West Texas
Texas, USA.

A small but highly unusual fossil assemblage consisting of three highly aberrant brachiopod specimens, each averaging approximately 18 mm in size. These specimens represent atypical morphological variation within Paleozoic marine invertebrates, making the group notable for its irregular shell development and uncommon forms.
Three highly aberrant brachiopods average 18mm