Category
page 1Permian crinoids
Calceolispongia
Calceolispongia (literally "shoe sponge") is a diverse genus of cladid crinoids that lived along the shores of eastern Pangaea that correspond to Timor and Western Australia, today.
Cyathocrinites
Cyathocrinites is an extinct genus of crinoids that lived from the Early Silurian to the Late Permian in Europe and North America.