Family Caudinidae Heding, 1931

Diagnosis (emended from Pawson and Liao 1992). Tentacles without a terminal digit, and with one or two pairs of lateral digits; tail sometimes inconspicuous; ossicles may include large tables, crossed cups, perforated plates and irregular rods; phosphatic bodies usually absent.

Remarks. We have emended the statement concerning which ossicles may be present, but we have not changed the ossicle types listed.