Fig. 1

Richtersius coronifer s.s. (Richters, 1903) from the Billefjorden population. a adult habitus, dorso-ventral projection (this specimen will be proposed as a new neotype Stec et al. in prep., PCM). b Hatchling habitus, dorso-ventral projection (PCM). c Pores on the ventral cuticle of a hatchling (PCM). D. Pores on the dorsal cuticle of a hatchling (SEM). Scale bars in μm