Anacanthoderma

Body bottle shaped
no neck constriction
rounded rear end
no furca or adhesive tubes
naked except for a few spines

Diagnosis

Body bottle shaped
no neck constriction
rounded rear end
no furca or adhesive tubes
naked except for a few spines

2 Species:

Anacanthoderma paucisetosum

75 µm - 85 µm
Dorsal scales: 12 - 16 thick, curved, simple and immobile spines; of which 3 dorsally (29-30 µm), 9-13 laterally, extending around the posterior end(18-21 µm)
Ventral scales: two ciliated bands, united anteriorly, visible dorsally and laterally

Anacanthoderma punctatum

115 µm - 120 µm
Dorsal scales: two terminal, curved spines (30 µm), anus dorsal
Ventral scales: two small cilia tufts
Particularities: insufficiently described, cuticle punctate