apertural in English
adjective
of an opening, of a hole, of an orifice
Use "apertural" in a sentence
1. Anomphalous; sutures shallowly impressed; protoconch of two whorls, smooth conispiral; rounded to suboval aperture; apertural mar-gin orthocline; apertural lip flares out slightly
2. Matching words include aperients, aperiodic, aperitifs, aperitive, Apertness, apertural, apertured and apertures
3. Angulation Anomphalous apertural view aperture backward obliquity Bande basal view base Bohemia broad carina characters close collection columellar lip concave costae deep described DESCRIPTION Discussion dorsal earlier figures final whorl flat forward gastropods GENOTYPE gently arched genus gives rise growth lines Hall height holotype inner
4. On the basis of the following characters it is concluded that ammonoids were incapable of swimming efficiently by jet-propulsion: (1) the retractor muscles were weakly developed; (2) the life position was unstable and highly variable; and (3) in animals with a ventral apertural rostrum the hyponome was probably absent.