CHALLENGERIDAE Murray, 1885 Borg

Description

Shell ovate or lenticular with fine pores composing hexagonal meshes. The peristome is prolonged as a tubular pharynx surrounded by spines . Shell may Bor be covered by marginal or aboral spines. (Fig. 34) Borg

Type species

Figures

Raw text

Shell ovate or lenticular with fine pores composing
hexagonal meshes. The peristome is prolonged as a
tubular pharynx surrounded by spines . Shell may Bor
be covered by marginal or aboral spines. (Fig. 34)
Borg