Clumping of filaments in
groups in the fixed holotype appears to be an artefact of tissue
fusion occurring while it was captive in the ROV holding
tank after capture; it is not seen in specimens photographed
in situ. The number of marginal filaments in a smaller uncollected
but photographed specimen with only 6 frontal lobes
was ca. 192 (Fig. 4).
Eleven cylindrical or flattened-palmate frontal lobes (Fig.
6), 12.0 ± 2.8 (8.6-19.0, n = 11) mm long by 3-5 mm wide by
ca. 1 mm thick, occur in midline of the frontal body surface,
spaced 17.9 ± 10 (4.1-42, n = 10) mm apart; two additional
developing frontal lobes are small knobs near the upper
growth end