Spicule dimensions of Siphonodictyon sp.; Schönberg collection, Calcinai sample labeled ´Portofino´

Originally identified as 'Cliona labyrinthica' by B. Calcinai, tentatively identified by C. Schönberg. All measurements are of mature, fully formed oxeas to allow statistical comparison with other samples. Measurements conducted on acid-cleaned spicules by C. Schönberg. Data are sorted vertically by spicule width.