Fig. 3From: Sipuncula inhabiting the coral Oculina patagonica in the western Mediterranean Sea a Specimen of Phascolosoma cf. agassizii with the introvert partially everted; b specimen of Phascolosoma granulatum with the introvert partially everted; c specimen of Golfingia vulgaris with the introvert partially everted; d hook of P. granulatum; e hook of G. vulgaris; f hook of P. cf. agassizii; g mid-trunk papilla of P. cf. agassizii Back to article page