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 Disk circular (dd = 1.08 to 2.47 mm). Covered by large, irregular, and only slightly imbricating scales (Fig. 5g). Sometimes with the central primary plate evident. Radial scales slightly longer than broad, contiguous, separated proximally by a small scale, with outer margin rounded and inner margin straight. Ventral interradius covered by strongly imbricating scales, which are smaller than dorsal scales (Fig. 5h). Distinct line of demarcation between the scales of the dorsal and ventral surface. Bursal slits long and broad (Fig. 5h). Oral shields fan-shape, distal margin enlarged and convex, slightly longer than wide (Fig. 5i). Adoral shields large, united proximally. Two oral papillae on each side of jaw angle, distal long and opercular (Fig. 5i). A pair of infradental papillae. Dorsal arm plate broader than long, proximal margin rounded and distal margin straight (Fig. 5j). Ventral arm plate pentagonal, twice as long as wide. Three arm spines conical, erect, serrate at tip (Fig. 5l). Two tentacle scales small, narrow and elongated.


Creative Commons Attribution 3.0 (CC BY 3.0)

© Anne I. Gondim, Carmen Alonso, Thelma L. P. Dias, Cynthia L. C. Manso, Martin L. Christoffersen

Source: ZooKeys

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