Halichondriidae - [?] family
[information to be added]

Maine is home to at least 8 species in 3 genera. If you know which species you have or are interested in learning about, click on the appropriate link from the species list below. Otherwise, to determine which genus your sponge belongs to, refer to the table below the species list.

   Halichondria (6 species)
      Halichondria bowerbanki - yellow sun sponge
      Halichondria fibrosa - [?]
      Halichondria genitrix - [?]
      Halichondria oculata - [?]
      Halichondria panicea - crumb-of-bread sponge
      Halichondria sitiens - [?]
   Hymeniacidon (1 species)
      Hymeniacidon heliophila - [?]
   Topsentia (1 species)
      Topsentia genitrix - [?]

red font = character state unique or nearly so	char. 1	char. 2	char. 3	char. 4
Halichondria
Hymeniacidon heliophila
Topsentia genitrix

Halichondria ([?])
[information to be added]

red font = character state unique or nearly so	char. 1	char. 2	char. 3	char. 4
H. bowerbanki
H. fibrosa
H. genitrix
H. oculata
H. panicea
H. sitiens

Halichondria bowerbanki (yellow sun sponge) - [information to be added]

Halichondria fibrosa ([?]) - [information to be added]

Halichondria genitrix ([?]) - [information to be added]

Halichondria oculata ([?]) - [information to be added]

Halichondria panicea (crumb-of-bread sponge) - [information to be added]
   
   (click on image to enlarge)

Halichondria sitiens ([?]) - [information to be added]

Hymeniacidon ([?])
[information to be added]

Hymeniacidon heliophila ([?]) - [information to be added]

Topsentia ([?])
[information to be added]

Topsentia genitrix ([?]) - [information to be added]