Table 3 in First records and two new species of sipunculans (Sipuncula) from the Southern Mexican Pacific

Table 3. Comparison between the species of Siphonosoma Spengel, 1912 from the Pacific Ocean.
S. australeS. vastumS. cf. vastumReferenceKeferstein (1865)Selenka et al. (1883)this paperType localitySydney, AustraliaJaluit, Marshall IslandsOaxaca, MexicoDepth??3 mMultiple rectal caecaabsentpresent in 60% of rectumpresent in 90% of rectumNumber of longitudinal muscle bands15–202726Trunk length200 mm95 mm200 mmLive coloration of bodytransparentgray to yellowlight brown to redAttachment of ventral muscles?left 2–5 left 2–6right 2–6 right 2–5,6Attachment of dorsal muscles?left 9 left 9–10right 8–9 right 10