TABLE 5 in Eleven new heteroscleromorph Demospongiae (Porifera), and a new record of the tetractinellid Ancorina corticata, from Walters Shoal, a shallow seamount on the Madagascar Ridge in the South West Indian Ocean (SWIO)

TABLE 5. Comparative spicule dimensions of Ptilocaulis ramosus Payne, Samaai & Gibbons sp. nov. specimens and Ptilocaulis spiculifer (Lamarck, 1814). Micrometric values are in µm, n = 20 where applicable. Comparative measurements of other species of Ptilocaulis can be found in Hooper and Lévi (1993) and Alvarez et al. (2016).
Specimen no.StylePtilocaulis ramosus sp. novHolotype796 (463–1385) × 19 (15–23)TS 2440Paratype399–1197 × 15 (9–19)TS 2448Paratype364–1571 × 17 (13–22)TS 2458Paratype390–1285 × 17.6 (11–22)TS 2546Paratype497–1413 × 18 (14–26)TS 2570Ptilocaulis spiculifer (Lamarck, 1814)Short robust curvd styles600 (492–704) × 12 (11–14)