TABLE 2 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 2. Comparative spicule dimensions of Penares waltershoalensis Payne, Samaai & Gibbons sp. nov. specimens and the species of Penares occurring in the region of interest (WIO & South Africa). Micrometric values are in µm, n = 20 where applicable.
Spicule TypePenares intermedius (Dendy, 1905)Penares schulzei (Dendy, 1905)Penares waltershoalensis sp. nov. Holotype TS 2447Penares waltershoalensis sp. nov. Paratype TS 2300Penares waltershoalensis sp. nov. TS 2307Penares waltershoalensis sp. nov. Paratype TS 2445Oxea I1200 × 37 µm1300 × 55 µm801 (70–999) × 27 (21–37)698 (604–79) × 17 (12–22)727 (638–807) × 17 (14–21)699 (614–926) × 18 (13–27)Oxea II180 × 10 µm350 × 18 µm (centrotylote)393 (318–546) × 19 (15–22)359 (267–587) × 14 (10–20)355 (223–54) × 14 (9–17)312 (271–415) × 16.8 (15–20)Oxea III143 (118–186) × 9 (7–12)135 (103–197) × 9.3 (6.6–13)140 (108–185.7) × 9.1 (6.7–11.4)143 (102.9–195.4) × 10.8 (8.1–13.3)Dichotriaene IRhabdome370 × 55 µm680 × 46 µmNone seen193 × 30, n = 1134 (49–201) × 29 (20–39), n = 6195 × 24, n = 1Cladome485 (381–579)46 (41–464), n = 2457.8 (338.7–540.4)485 (422–528), n = 6Protoclad92 × 55 µm101 (68–124) × 36 (28–49)104 (101–106) × 26(25–27), n = 2114.5 (97.1–139.3) × 31(26–37)102 (92–119) × 36 (34–40), n = 6Deuteroclad141 (116–178) × 28 (20–39)144 (138–150) × 25 (24–25), n = 2122(88–152) × 25 (21–31)153 (119–196) × 29 (24.–33), n = 6Dichotriaene IIRhabdomeNone seen82 (74–89) × 25 (19–30), n = 288 (39–132) × 23 (13–31), n = 766 (30–122) × 20 (14–30), n = 5Cladome338 (2266–481)341 (316–384), n = 6349 (258–481)329 (281–380), n = 7Protoclad90 (75–108) × 20 (14–27)103 (78–124) × 19 (15–27), n = 6119 (92–138) × 17 (10–2)94 (79–108) × 19 (15–24), n = 7Deuteroclad67 (28–123) × 14 (7–19)76 (46–87) × 14 (10–18), n = 665 (31–101) × 13 (7–18)80 (43–121) × 14 (11–17), n = 7Oxyasters25 µm20 µm77 (63–99) × 6 (5–7)76 (63–86) × 7 (5–8)79 (62–99) × 6 (5–6)83 (73–99) × 7 (6–9)