Table 1. Comparative data for habit, anatomy, spicules and occurrence for Bolosoma spp.
Data for new species presently generated. Data for previously known species gathered from the literature. All morphometric data are in micrometers (µm). n.o., not observed.
| Body | Basalia | Choanosoma/Dermalia/Atrialia | Microscleres | Distribution/Depth (m) | |
|---|---|---|---|---|---|
| B. perezi sp. nov. (holotype, MNRJ 21955) | Fragment of sponge, massive without a regular shape | Diactines, 40–80 diam. Occasionally free diactines, 15–20 diam. |
Diactines, 1,710–2,370 × 5–8 Hexactines, 270–830 × 5–8 Rare pentactines |
Discoxactines, absent Discohexasters, 70–80 Discostauractines, 42–50 Codonhexasters, 155–175 (primary rosettes 27–43 diam.) |
Rio Grande Rise, South Atlantic Ocean/936 |
| B. biocalum Tabachnick & Lévi (2004) (orig. descr.) | Two fragments | Diactines, 19–23 diam. | Diactines, 900–5,000 × 6–15 Hexactines (uncommon pentactines), distal actin 68–258 µm long, tangential actin 106–274 µm long, proximal actin 258–775 µm long; all actines 6–11 diam. |
Discohexactines, absent Discohexasters, 61–108 (primary rosettes, 7–14 diam.) |
New Caledonia/1,395–1,620 |
| B. cavum Ijima (1927) (orig. descr.) | Vase–like shape standing on a compact basal disc | Diactines, up to 50 µm thick, up to 7,000‒8,000 long Occasionally hexactines or pentactines |
Hexactines, short ray 55–88 long, 7.5–11 thick near base; paratangential rays 180–266 long | Discohexactines, absent Spherical holodiscohexasters, 113–133 diam. Hexactinoid microdiscohexaster (occasionally hemidisco.), 23–38 (axial lenght), in one case 50. Hexactinoid codonhexaster, 152–180 diam. |
Sulawesi Sea, Makassar Strait/918–1,613 |
| B. charcoti Tabachnick & Lévi (2004) (orig. descr.) | Holotype composed by a fragment of the apical region, paratype fragmented and attached to a peduncle | Not reported | Diactines, 14–53 diam. Tauactins, uncommon Hexactines (dermal or atrial), distal actines 30–167 long; tangential actines 106–380 long; proximal actines, 460–532 long Atrial hexactines, distal actines 30–547 long; tangential actines 61–365; proximal actines, 30–106; all with 7–9 diam. |
Toothed discohexactins, 32–86 diam. Discohexactines with anchors (less common), 68–144 diam. |
New Caledonia/1,300–1,475 |
| B. cyanae Tabachnick & Lévi (2004) (orig. descr.) | Pedunculated champignon | Diactines, 8–46 diam. Hexactines, distal actine with 400–600; tangential actine 500–1,100; proximal actine 400–1,400; all actines 30–53 diam. |
Diactines, 1,200–3,800 × 8–15 Hexactines (dermal region), distal actine 65–250 long; tangential actines 95–470; proximal actine 220–710 long; 10–17 diam. Hexactines (atrial region), distal actines, 110–680 long.; tangential actines 190–700; proximal actine 40–210 long; 10–17 diam. |
Microdiscohexactines, 20–47 diam. Macrodiscohexasters, 65–195 diam. (primary rosette, 10–23 diam. Microdiscohexasters, 72–145 diam. Rare hemidiscohexasters, same diam. of microdiscohexasters. |
Loyauté Basin (New Caledonia)/2,697–2,380 |
| B. meridionale Tabachnick & Lévi (2004) (orig. descr.) | Pedunculated sponge with apical part in funnel form | Diactines, 8–61 diam. | Diactines, 1,300–1,900 × 7–9 Hexactines (dermal region), distal actines 53–114 long, tangential actines 99–205, proximal actine 296–486 µm; 10–17 diam. Hexactines (atrial region), distal actines 68–433; tangential actines 137–319; proximal actines 46–106; 10–17 diam. |
Discohexactines, 50–72 diam. Hemidiscohexasters, 47–79 diam. (primary rosette, 7–9 diam.) Discohexactine derivates, 50–72 diam. |
S–E New Caledonia/995–1,010 |
| B. musorstomum Tabachnick & Lévi (2004) (orig. descr.) | A fragment of peduncle with an apical part | Diactines, smooth, cemented | Diactines, 1,400–1,900 × 6–8 Hexactines (dermal region), distal actine 30–190 long, tangential actines 38–410, proximal actine 46–471; 19–22 diam. Hexactines (atrial region), distal actines 68–411; tangential actines 152–274; proximal actine 30–137; 19–22 diam. |
Discohexactines, 15–36 diam. Discostauractines, discotauactines and discodiactines (“amphidiscs”) |
Wallis Island, New Caledonia/775–730 |
| B. paradictyum (Ijima, 1903) (orig. descr.) | Fungus–like body with everted atrial cavity | Diactines fused into a rigid skeleton by synapticulars. | Diactines, 2,000–8,000 × 15 Hexactines (dermal region), distal ray 45–100 long; tangential rays 150–300 long; 8–9 diam. at base Hexactines (dermal region), tangential rays 200–260 long; proximal ray 600–800 long; 8–9 diam. at base |
Microdiscohexactines, 30–60 diam. Toothed microhemidiscohexasters, 30–100 diam. Toothed macrodiscohexasters, 100–240 diam. Toothed microdiscohexasters, 30–100 diam. Anchorate macrodiscohexasters, 132 diam. Anchorate macrodiscohexactines, 110–176 diam. |
Sagami Bay, (Japan)/501–572 |
| B. volsmarum Tabachnick & Lévi, 2004 (orig. descr.) | Fragment of peduncle, which carries an apical, incomplete part. | Diactines, smooth, cemented | Diactines, 1500–3200 x 8–15 µm Hexactines (dermal region), distal actines 91–228 µm long; tangential actines 182–418 µm; proximal actines 365–874 µm; 15–19 µm diam. Hexactines (atrial region), distal actines 593–737 µm; tangential actines 236–692 µm; proximal actine 38–160 µm; 15–19 µm diam. |
Discohexactines, 32–65 diam. Discohexasters, 54–126 diam. (primary rosette, 11–22 diam.) |
S–E New Caledonia / 825–850 |