Figure 6 in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids

Figure 6. Holothuria (Halodeima) nigralutea O'Loughlin sp. nov. (SEM of ossicles from NMV F111290). A, dorsal body wall; B, ventral body wall; C, anal body wall; D, tube feet; E, tentacles; F, respiratory trees; G, madreporite.图6 新种黑黄海参（Holothuria (Halodeima) nigralutea O'Loughlin sp. nov.）（采自标本NMV F111290的骨片扫描电镜（SEM）图像）。A：体壁背面；B：体壁腹面；C：肛门体壁；D：管足；E：触手；F：呼吸树；G：筛板。