2. STEROLS: STRUCTURE AND DISTRIBUTION
129
TABLE III (Continued)
Classification
Radiella sol (87)
Aaptos bergmanni (87)
Family Clionidae
Cliona celata (84)
Cliona carriboea (87)
Family Choanitidae
Spheciospongia vesparia (84)
Spheciospongia othello (87)
Anthosigmella varians (87)
Order Epipolasida
Family Tethyidae
Tethya actinia (89)
Cryptotethia crypta (91)
Order Choristidae
Family Tetillidae
Cynachyra cavernosa (89)
Family Geodiidae
Geodia gibberosa (89)
Family Craniellidae
Craniella crania (83)
c
Order Carnosa
Family Chondrillidae
Chondrilla nucula (86)
Class Calcispongia
Order Asconosa
Leucetta floridana (89)
Unsaponifiable
fraction
of fat
(%)
37
33
27
31
46
48
30
56
46
32
34
40
18
Sterol of
unsaponifiable
fraction
(%)
55
69
58
70
50
58
90
70
73
60
80
86
14
Sterols
Aptostanol
Aptostanol
Poriferasterol,
clionasterol
Poriferasterol,
clionasterol
Poriferasterol,
clionasterol
Poriferasterol,
clionasterol
Poriferasterol,
clionasterol
Clionasterol, and
others
Poriferasterol,
clionasterol
Clionasterol and
others
Acetate, m.p. 136°;
[a] D -46°
24-Methylene
cholesterol
Chondrillasterol
Acetate, m.p. 132°;
[OL]D -46°
a Formerly named Halichondria panicea.
b Formerly named Suberites compacta.
c Formerly named Tetilla laminaris.