Minchinellidae is a family of calcareous sponges in the order Calcarea.[1] It is the only family in the monotypic class Lithonida.
Calcaronea with reinforced skeleton consisting either of linked or cemented basal actines of tetractines, or of a rigid basal mass of calcite. Diapason spicules are generally present and the canal system is leuconoid.
Minchinellidae is a family of calcareous sponges in the order Calcarea. It is the only family in the monotypic class Lithonida.
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