A new genus and species of barnacle (Cirripedia, Verrucomorpha) associated with vents of the Lau Back-Arc Basin: its gross morphology, inferred first juvenile stage and affinities Author Newman, William A. Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093 - 0202 (USA) wnewman @ ucsd. edu wnewman@ucsd.edu text Zoosystema 2000 2000-12-31 22 1 71 84 journal article 304830 10.5281/zenodo.5391395 5fb9d5cf-b925-438b-9c3c-545436411014 1638-9387 5391395

TABLE 3. — Comparison of two juvenile and four adult characters in two neoverrucid and one verrucid genus.

	Neoverruca	Imbricaverruca	Verruca
*R-C gap less on movable side, as in all three genera.
1) Juvenile pedunculate stages	Several stages pedunculate	Likely several stages	Peduncle vestigial
2) Juvenile carina	Higher than wide	Wider than high	Higher than wide
3) Adult median latus	Vestigial	Well-developed	Lost
4) Imbricating plates	Reduced in number, deciduous	Complete, well-developed	Lost
5) Fixed scutum & tergum	Normal, higher than wide	Reduced wider than high	As wide as high
6) Rostrum & carina	Normal, higher than wide*	Reduced, wider high	As wide as high