Polacanthoderes sp. 2

Material examined

ANTARCTICA • 1 ♂ (mounted for SEM); Antarctic Peninsula, CRS 1776; 64°52.53′ S, 62°33.90′ W; 551 m b.s.l.; 7 Apr. 2016; FjordEco2; soft sediment; MVS .

Short description

One adult male was examined with scanning electron microscopy. The morphology of the specimens closely follows the species diagnosis of P. grzelakae sp. nov., except for the missing subdorsal tubes on segment 2. Subdorsal short acicular spines are present on segment 4, but missing on segment 5. Short laterodorsal acicular spines are present on segment 8.

Distribution

Antarctic Peninsula: Andvord Bay IBB, 551 m b.s.l. See Fig. 1 for geographic overview of stations and Table 1 for station and specimen information.