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Table 1 Summary of marginal musculature dimensions within each character state

From: Evolution of anthozoan polyp retraction mechanisms: convergent functional morphology and evolutionary allometry of the marginal musculature in order Zoanthidea (Cnidaria: Anthozoa: Hexacorallia)

Muscle form nsections Length (μm) Width (μm) # of supports Size of supports (μm) Muscle CS-area (x 104 μm2)
Branchiform endodermal 20 2796–4623 \( \left(\overline{\mathrm{x}} = 3723\right) \) 394–843 \( \left(\overline{\mathrm{x}} = 564\right) \) 151–275 \( \left(\overline{\mathrm{x}} = 214\right) \) 114–541 \( \left(\overline{\mathrm{x}} = 256\right) \) 23.6–40.9 \( \left(\overline{\mathrm{x}} = 29.8\right) \)
Cteniform endodermal 156 175–1251 \( \left(\overline{\mathrm{x}} = 534\right) \) 29–291 \( \left(\overline{\mathrm{x}} = 77\right) \) 7–79 \( \left(\overline{\mathrm{x}} = 32\right) \) 9–90 \( \left(\overline{\mathrm{x}} = 32\right) \) 0.1–4.2 \( \left(\overline{\mathrm{x}} = 1.09\right) \)
Spindly-cteniform endodermal 10 268–331 \( \left(\overline{\mathrm{x}} = 298\right) \) 34–65 \( \left(\overline{\mathrm{x}} = 52\right) \) 10–16 \( \left(\overline{\mathrm{x}} = 15\right) \) 15–36 \( \left(\overline{\mathrm{x}} = 27\right) \) 0.3–0.5 \( \left(\overline{\mathrm{x}} = 0.4\right) \)
Discontiguous endodermal 2 820–1049 \( \left(\overline{\mathrm{x}} = 935\right) \) 68–78 \( \left(\overline{\mathrm{x}} = 73\right) \) 46–60 \( \left(\overline{\mathrm{x}} = 53\right) \) 34–49 \( \left(\overline{\mathrm{x}} = 41\right) \) 0.7–2.4 \( \left(\overline{\mathrm{x}} = 1.57\right) \)
Meso-endo transitional 36 756–1536 \( \left(\overline{\mathrm{x}} = 1023\right) \) 114–263 \( \left(\overline{\mathrm{x}} = 168\right) \) 47–110 \( \left(\overline{\mathrm{x}} = 71\right) \) 77–200 \( \left(\overline{\mathrm{x}} = 119\right) \) 1.3–5.2 \( \left(\overline{\mathrm{x}} = 2.77\right) \)
Cyclically transitional 40 307–793 \( \left(\overline{\mathrm{x}} = 483\right) \) 57–137 \( \left(\overline{\mathrm{x}} = 89\right) \) 9–42 \( \left(\overline{\mathrm{x}} = 23\right) \) 22–72 \( \left(\overline{\mathrm{x}} = 47\right) \) 0.5–2.0 \( \left(\overline{\mathrm{x}} = 9.25\right) \)
Discontiguous mesogleal 10 1111–1324 \( \left(\overline{\mathrm{x}} = 1192\right) \) 153–271 \( \left(\overline{\mathrm{x}} = 224\right) \) 130–184 \( \left(\overline{\mathrm{x}} = 151\right) \) 32–76 \( \left(\overline{\mathrm{x}} = 54\right) \) 1.3–2.0 \( \left(\overline{\mathrm{x}} = 1.73\right) \)
Linear mesogleal 19 1219–3028 \( \left(\overline{\mathrm{x}} = 1982\right) \) 86–419 \( \left(\overline{\mathrm{x}} = 273\right) \) 69–136 \( \left(\overline{\mathrm{x}} = 110\right) \) 25–107 \( \left(\overline{\mathrm{x}} = 66\right) \) 1.3–12.9 \( \left(\overline{\mathrm{x}} = 5.0\right) \)
Reticulate mesogleal 53 884–2080 \( \left(\overline{\mathrm{x}} = 1474\right) \) 132–445 \( \left(\overline{\mathrm{x}} = 246\right) \) 51–298 \( \left(\overline{\mathrm{x}} = 125\right) \) 56–339 \( \left(\overline{\mathrm{x}} = 153\right) \) 3.55–17.4 \( \left(\overline{\mathrm{x}} = 8.50\right) \)
Orthogonally-reticulate esogleal 6 3652–4205 \( \left(\overline{\mathrm{x}} = 3892\right) \) 264–350 \( \left(\overline{\mathrm{x}} = 314\right) \) 628–834 \( \left(\overline{\mathrm{x}} = 740\right) \) 31–65 \( \left(\overline{\mathrm{x}} = 46\right) \) 44.2–48.2 \( \left(\overline{\mathrm{x}} = 4.65\right) \)