Thysanosoma, [91];
generic characters, [90];
T. fimbriata, life-history, [83];
specific characters, [90];
T. giardii, specific characters, [90]
Thysanozoon, [13], [18], [19], [20]
Tomopteridae, [258], [291], [315]
Tomopteris, [315];
colour, [294];
light-producing organ, [296];