Spongia officinalis subsp. tubulifera var. duplex Hyatt, 1877
Spongia officinalis subsp. tubulifera var. duplex Hyatt, 1877: 513 (no illustration).
Spongia tubulifer a; Wiedenmayer 1977: 55.
Hyatt’s name is not an available name (as it has a fourth name, ICZN art. 45.5). I propose to assign this material from Havana, Cuba to Spongia (Spongia) tubulifera Lamarck, 1814, in accordance with Wiedenmayer.