haplolepidous

From New Latin haplolepideus, from Ancient Greek ἁπλόος (haplóos, “two-fold, single”) + λεπίδιον (lepídion, “small plate used to close a tube”).

haplolepidous (comparative more haplolepidous, superlative most haplolepidous)

1. A form of arthrodontous peristome:
   1. (originally) having main teeth formed from a single column of cells up dorsal face;
   2. (strictly) having only one circle of teeth derived from thickening of the contiguous walls of the primary and inner peristomial layers.
2. Belonging to the family Haplolepidae.

• (form of arthrodontous peristome): diplolepidous; sesquilepidous