''Saccocalyx'' may refer to:
*
''Saccocalyx'' (plant), a genus of flowering plant in the family Lamiaceae
*
''Saccocalyx'' (sponge), a genus of animals in the family
Euplectellidae
Euplectellidae is a family of glass sponges (Hexactinellids) belonging to the order Lyssacinosa
Lyssacinosida is an order of glass sponges belonging to the subclass Hexasterophora. These sponges can be recognized by the parenchymal spicule
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{{genus disambiguation