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Mortonia australis (oral)
Beschrijving Oral side: Many accessory tube feet are developed in the ambulacra. By means of their suckered discs they hold tiny sediment particles over the aboral and oral surfaces just above the tips of the spines. Below this dense canopy a water current flows over the surface to provide all the appendages like spines, podia and pedicellariae with oxygen which they absorb through their skins.Length 11 mm; Hawaii. JPG bestand - 308.64 kB - 1 230 x 1 336 pixels toegevoegd op 2009-02-23230 viewsUit bron Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Schultz, Heinke Klik hier om terug te keren naar miniatuurweergave |
