First records of Hamacantha species from seamounts off eastern Australia (Porifera, Demospongiae, Merliida), with description of four new species Author Ekins, Merrick Queensland Museum, PO Box 3300, South Brisbane 4101, Brisbane, Queensland, Australia & School of Biological Sciences, University of Queensland, St Lucia, Queensland, 4072 Australia & Griffith Institute for Drug Discovery, Griffith University, Brisbane 4111, Queensland, Australia Author Baker, Soraya Queensland Museum, PO Box 3300, South Brisbane 4101, Brisbane, Queensland, Australia Author Hooper, John N. A. Queensland Museum, PO Box 3300, South Brisbane 4101, Brisbane, Queensland, Australia & Griffith Institute for Drug Discovery, Griffith University, Brisbane 4111, Queensland, Australia text Zootaxa 2023 2023-07-20 5318 3 382 400 http://dx.doi.org/10.11646/zootaxa.5318.3.4 journal article 56577 10.11646/zootaxa.5318.3.4 0a1eebb1-ceb1-4546-b217-c143cc076b4c 1175-5326 8166946 6CFEC285-1E75-4061-997B-855E799A432A

TABLE 2. Comparison of the known Hamacantha (Vomerula) species. Measurements are Minimum-(Average)-Maximum of the spicules (μm).

Species	Location	Depth (m)	Mega scleres (μm)	Mega scleres (μm)	Diancistras (μm)	Sigmas (μm)	Microoxeas (μm)	Raphides (μm)	Toxas (μm)	Trichodragmata (μm)
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H. (V.) acerata Lévi, 1993: 36–37, Fig 13 A	New Caledonia	675–680	330–390 x 7–8		I:190–200 II:42–45	18
H. (V.) agassizi Topsent, 1920: 12	Caribbean	130–151	340–416 x 8–10		127–140	12
H. (V.) atoxa Lévi, 1993: 37–38, Fig. 13 B, Pl. III, Fig. 8.	New Caledonia	440	400–430 x 8		I: 175–160; II: 40–43; III: 20
H. (V.) azorica Topsent, 1904: 221–222; sensu Calcinai et al. (2013): 8–9, Fig. 5.	North Atlantic/ Mediterranean	200–1022	290–400 x 5–12		190–240 x 30–45		17.5–40 x 1.2–1.5	85–105 x 1.5–2.5
H. (V.) bowerbanki Lundbeck, 1902: 99–104	North Atlantic	241–2317			I: 160; II: 45–57; III: 21–28				80–157
H. (V.) carteri Topsent, 1904: 218–220, Pl. XVI, Fig. 2,8.	North Atlantic	1165–1600	700–800 x 13		I: 110–150; II: 27	C and S: 20
H. (V.) cassanoi Lehnert & Stone, 2016: 370–374, Fig. 4.	North Atlantic	174	460–675 x 8–1		145–212 x 14–22	14–22 x 1–1.5
H. (V.) esperioides (Ridley & Dendy, 1886): 337; (Ridley & Dendy 1887): 60–61.	South Africa	274–1097	700 x 19		I: 177 x 19 II: 38	present
H. (V.) falcula (Bowerbank, 1874): 207, Pl. LXXIV 1–3.	North Atlantic	102–2280	present		I: 100–178; II: 30–57; III: 30–57				60–157
H. (V.) forcipulata Lévi, 1993: 38, Fig. 13 C	New Caledonia	440–460	370–460 x 12		120–170 x 35	25 x 1
H. (V.) integra Topsent, 1904: 222–223.	North Atlantic	793	350–650 x 13–15	acanthose exotyles: 500–530	75–90
H. (V.) jeanvaceleti Castello-Branco & Hajdu, 2018:70–72, Fig. 2.	SW Atlantic	2200–1600	398–524		I: 194–281; II: 29–62
H. (V.) klausruetzleri Castello-Branco & Hajdu, 2018: 72–76, Fig. 3.	SW Atlantic	1165–1245	398–514 x 7–12	Strongyles: 291–349 x 10–14	I: 175–262; II: 36–50	I: 74–115; II: 29–50
H. (V.) levii sp. nov.	SE Australia	983	337–(410)– 574 x 6.7– (10.4)–14.7		I: 102–(108)–119 x 5.9–(8.3)–10.5 II: 28.8–(46.6)– 66.1 x 1.2–(2.1)– 3.1 III: 21.4–(23.6)– 26.3 x 1.0–(1.3)– 1.5
H. (V.) mamoi Ise, Woo, Tan & Fujita, 2019: 476–478, Figs 2–3.	Japan, North Pacific	223–113	Styles: 347–431 x 10–12		I:149–163 x 15–18, II:28–36 x 2–3	51–64 x 2–3
H. (V.) megancistra Pulitzer –Finali, 1978: 49–51; Fig. 16.	Medi-terranean	135	370–650 x 7–12	480–800 x 7–10	20–280 x 7–8.5			100
H. (V.) melliflura sp. nov.	SE Australia	300	301–(428)– 489 x 7.4– (12.2)–17.4		I: 109–(127)–141 x 5.9–(8.2)–12.3 II: 33.8–(46.2)– 64.6 x 1.2–(2.1)– 5.8				266–(298)– 350 x 3.0– (4.5)–5.7
H. (V.) microxifera Lopes & Hajdu, 2004: 27–28, Fig. 4.	South Atlantic	167	301–572 x 10–13		103–151			48–67
H. (V.) mindanaensis Wilson, 1925: 437–439.	Philippines	229–878	470–500 x 12		I: 160–180; II: <100	16–18
H. (V.) novacula sp. nov.	Australia	880–1100	350–(459)– 548 x 6.0– (8.7)–11.0		I: 139–(189)–229 x 9.6–(12.0)–15.6 II:47–(63)–85 x 3.5–(5.3)–7.8	20–(26)–30 x 1–(1.25)– 1.5
H. (V.) papillata Vosmaer, 1885: 28; sensu Hajdu (1994): Table 1.	North Atlantic /Mediterranean	265–329	270–702 x 6.6–19.3		175–217 x 5.5–10.5			104–120 x 1		132 x 64
H. (V.) popana (de Laubenfels, 1935):5 Fig. 4.; sensu Hajdu 1994:63–68, Fig. 1. Pl. 1–2.	California, East North Pacific	?	454–713 x 8.8–14.3		218–246 x 9.9–17.6	25.3–31.9 x 1.5–2.2
H. (V.) ridleyi sp. nov.	SE Australia	1100–1300	292–(385)– 437 x 7.6– (9.9)–12.6		I; 83–(96)–105 x 5.0–(8.8)–12.5 II: 19–(24)–30 x 1.0–(1.1)–1.7				48–(54)–65 x 2–(2)–2
H. (V.) tenda (Schmidt, 1880): 82; sensu Hajdu (1994): Table 1.	Caribbean	?	450–760 x 11–18		250–265				56–103
H. (V.) tibicen (Schmidt, 1880): 83; sensu Hajdu (1994) declared unrecognizable (sensu Van Soest, 1984a).	Caribbean	511	?		?	?		?	?	?
H. (V.) umisachii Ise, Woo, Tan & Fujita, 2019: 478–481, Figs 4–5.	Japan, North Pacific	778–682	Styles: 249– 358 x 8–12		I:158–207 x11–16, II:48–75 x 4–9	29–36 x 2