Synallactidae

Synallactidae

[‚sin·ə′lak·tə‚dē]
(invertebrate zoology)
A family of echinoderms of the order Aspidochirotida comprising mainly deep-sea forms which lack tentacle ampullae.
References in periodicals archive ?
The family Synallactidae comprises 143 species (42% of the order Aspidochirotida; Smiley, 1994), which are found at bathyal depths.