New additions to the shallow-water hydroids (Cnidaria: Hydrozoa) of the French Lesser Antilles: Martinique Author Galea, Horia R. text Zootaxa 2013 3686 1 1 50 journal article 37008 10.11646/zootaxa.3686.1.1 b5a2eb3f-2555-41ba-a303-9fac9d2618c3 1175-5326 284148 17A93C58-F09C-484A-A26A-F4F27BC91A6C

TABLE 4. Comparative measurements in species of Antennella discussed here (in µm).

	Antennella peculiaris sp. nov. [M092]	A. secundaria (Gmelin, 1791) [M118]	Antennella similis sp. nov. [M262]	Antennella tubitheca sp. nov. [M129]
Stem
- length	≤ 10000	≤ 7000	≤ 15000	≤ 7000
- number of hydrothecae	≤ 13	≤ 8	≤ 20	≤ 13
- ahydrothecate segments length	395–580	340–485	280–530	255–315
- hydrothecate segments length	205–265	315–380	240–315	250–300
- diameter at transverse node	35–55	35–60	45–90	35–55
Hydrotheca
- length abcauline side	130–155	140–165	180–200	185–200
- length free dcauline side	105–125	100–120	100–120	110–125
- diameter at rim	170–200	185–215	190–210	165–170
Ƥ gonotheca
- length	480–580	315–480	610–635	345-365
- maximum width	275–305	180–260	340–385	185–195
- diameter at aperture	130–155	75–140	190–210	115–130
3 gonotheca
- length	unknown	not checked	390–460	unknown
- maximum width	unknown	not checked	195–205	unknown
Cnidome
- small, fusiform microbasic mastigophores	ca. 6.4×2.2	ca. 6.4×2.2	ca. 6.4×2.2	ca. 6.4×2.2
- large, ovoid microbasic mastigophores	(14.4–15.4)× (4.5–5.0)	(12.2–13.0)× (4.8–5.1)	(13.3–14.1)× (5.1–5.3)	ca. 12.0×4.5