Genus Plakinastrella Schulze, 1880

Definition. PLAkINIdAE WITH SkELETON cOMPOSEd by dIOdS, TRIOdS ANd NON-LOPHOSE cALTHROPS. SPIcULES OfTEN SHOW WIdE SIZE VARIATION, ANd SOMETIMES cAN bE SEPARATEd IN UP TO THREE SIZE cLASSES. MIcRORHAbdS ARE PRESENT IN ONE SPEcIES (fROM DOMINgOS et al. 2013).

Type species. Plakinastrella copiosa ScHULZE, 1880.