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Fusion of ilium and ischium of dugong pelvic bone (n = number of pelvic bones).
| Pelvic fusion | By age (n = 26) | By body length | |
|---|---|---|---|
| Male (n = 44) | Female (n = 40) | ||
| Non-fused | 8 years and lower (n = 4) | 2210 mm and lower (n = 28*) | 2000 mm and lower (n = 18) |
| Fused | 24 years and higher (n = 22) | 2259 mm and higher (n = 16) | 2250 and higher (n = 22) |
*4 additional samples (obtained from 2 dugong subjects having body lengths lower than 2210 mm) also presented fused pelvic bones.
