Hyolitha
Genus

Nephrotheca Marek, 1966

List of species
1. Nephrotheca ruderalis Marek, 1989? | Middle Cambrian (old nomenclature)→Middle Ordovician
Classification
Organism groupBiota
KingdomAnimalia
PhylumMollusca
ClassHyolitha
OrderOrthothecida
FamilyOrthothecidae
GenusNephrotheca
Speciesruderalis
GenusSemielliptotheca