Two new species of Geodiidae (Porifera, Demospongiae, Astrophorina) from the Emperor Seamounts, North Pacific Ocean Author Lehnert, Helmut Author Stone, Robert P. text Zootaxa 2019 2019-09-18 4671 3 381 395 journal article 25506 10.11646/zootaxa.4671.3.4 b5540ef3-598a-4f52-84c6-eec946bbf32a 1175-5326 3442568 79CA3574-90EA-4A82-8202-34242BF63D2B

TABLE 2. Spicule characteristics and locality of all known Geodia species that lack triaenes, formerly genus Geodinella Lendenfeld, 1903. All measurements are in µm unless otherwise noted.

Species, authority	Megascleres 1	Megascleres 2	Sterrasters & cor-	Oxyasters	Tylasters	Locality
*: measurements from Lévi & Lévi, 1989
			tex thickness
Geodia cylindrica	800– 1000 x 25–30	Plagiomon- and diaenes,	180 x 145 x 115,	None	7–8	Enoshima, Japan
Thiele, 1898 Geodia hyotania	Oxeas, 1500 –2300 x	same size as oxeas Styles and subtylostyles,	cortex ca. 300 thick 100–140 x 130–170,	Spherasters, 12–15	None	Sado Island,
(Tanita, 1965)	32–45	1300–2100 x 45 –55	cortex ca. 1 mm			Japan
Geodia isabella	Oxeas, 550 x 15	Oxeas, 100 x 3	thick 30 in diameter, cor-	Oxyspherasters, 30, ox-	None	Isabel Island,
(Dickinson, 1945) Geodia lendenfeldi	Blunt oxeas, also strong-	Plagiomonaenes, ortho-	tex 1 mm thick 180–237 x 130–200	yspherasters, 5 Oxyasters and oxyspherasters,	7–13	Sinaloa, Mexico Pacific Coast of
Stone et al., 2011	yles, styles, tylotes, tylo-	and promonaenes, rhabds,	x 80 –130, cortex 1–2	rays occasionally bifurcate at the		North America
	styles, 370–2500 x 40 –80	1100–2100 x 26–42, clades	mm thick	ends, ends microspined, 9–39 in
		30–105 long		total diameter, “size in inverse
Geodia spherastrosa	Oxeas, 2700 –3700 x	Triaenes resembling tylo-	170–180 x 150–160,	proportion to ray number” 25–35	8–9	Philippines
(Wilson, 1925)* Geodia vestigifera	60–70 Thick oxeas, 2000 x 120,	styles, 2400–2900 x 40 –60 Triaenes resembling styles,	cortex 1 mm thick 120 x 140, cortex	Large oxyasters, microspined	Strongylasters,	Spirits Bay,
(Dendy, 1924)	thin oxeas 1900 x 20, short	1400 x 25, rare anatriaenes	0.85 mm thick	rays, 64 in diameter, small ox-	24, strongy-	New Zealand
	oxeas, 480 x 17	(possibly foreign)		yasters (dimensions not provid-	lospherasters, 12
				ed), regarded as juvenile forms by
Geodia arma n. sp.	Sinuous, thin to almost-	None	118–171 x 202–243,	Dendy (1924) 18–23	8–11	Emperor
	straight, thick oxeas in a		cortex 1.5–6 mm			Seamounts,
	wide size range (280 to		thick			North Pacific
over 6000 x 16–42)