Echinoderms from Southern New Zealand
Henricia ralphae sp. nov
Henricia ralphae sp. nov.
Fig. 1.—Actinal surface of arm, the furrow lying to the left. Fig. 2.—Abactinal surface of arm. Fig. 3.—Abactinal surface of disc in region of periproct and madreporite. Fig. 4.—Part of syntype, showing the inflated type of arm, abactinal view.
Abbreviations: A, anus. AB, abactinal plate. ACT, actinal spines. AD, adambulacral spines. FU, furrow-spine of adambulacral plate. MADP, madreporite covered by spines. MAG, marginal spines, arranged in comb. PAA, papular area. PAP, papula (or dermal branchia). PP, periproct.
Figs. 1 to 3 are to the lower scale; Fig. 4 to the upper scale.