更多patelliform例句

1. Although the Patell were described as symmetrical, there are several species of Patelliform shells which are not symmetrical.
2. A small patelliform shell, with a very short papillary spire; and the aperture irregularly expanded.
3. This order, which includes mollusca with haliotoid or patelliform shells, is divided into the following families: Fam.
4. Patelliform; apex central; columellar lip septiform, leaving the aperture small.
5. Patelliform, oval or oblong, radiated; apex anterior, perforated.