Table 1 Summary of marginal musculature dimensions within each character state

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 \( \left(\overline{\mathrm{x}} = 4.65\right) \)