Key to Astroglypha n. gen.

1 One furrow spine present per adambulacral plate. Papular pores one to four (mostly two or three). Superomarginals number 12 (at R=1.4) to 20 (at R=2.7). Pedicellariae not observed. R/r =3.0–3.6. Disk broad compared to Astroglypha passiflora . South Pacific...................................................................... Astroglypha pyramidata n. sp.

- Two furrow spines present per adambulacral plate. Papular pores three to 15 (one specimen with single papular pores at R=0.5). Superomarginals number 10 (at R=0.5) to 24 (at R=2.6) per interradius. Pedicellariae present. R/r=2.5–3.0. Disk relatively small compared to Astroglypha pyramidata n. sp. Atlantic............................ Astroglypha passiflora n. comb.