Neoernsta minoricensis is a species of calcareous sponge in the family Dendyidae found in Spain. The species is named after the island of Menorca, where the type specimen was discovered.
Triactines and tetractines are regular (equiangular and equiradiate) and are the same size. The actines are 7âÂÂ10 times longer than they are thick, with slender tapers. The apical actines of the tetractines are straight and 3âÂÂ4 times thinner than the triactines.