The human beings who take birth in the antara- dvīpa (island situated in Lavaṇasamudra) named Ekoruka-, their height is 800 Dhanuṣa and have 64 vertebra.
...egoruyamaṇussāṇaṃ egoruyadīve ṇāmaṃ dīve...
...aṭṭhadhaṇusayaūsittā, couṭṭhiṃ piṭṭhakaraṃḍagā...
(Jīvā 3.217,218)
ekorukā mṛdāhārā guhāvāsinaḥ.
(TaVā 3.36)