The Nautili are known from the Ammonites by the septa being simple, not sinuated as in the latter genus, and in general the volutions of the spire are not visible.
The muscular impression of the mantle, or palleal impression of some bivalve shells, is sinuated near the posterior muscular impression.
This genus differs from Orthoceras in the same manner in which Ammonites differs from Nautilus, having its septa sinuated and branched.
The elytra are very distinctly sinuated towards the extremity, and the three elevated ribs are smooth and of a coppery bronze colour, with the intervening spaces smooth (at least not granulated as in the C.
Head greenish yellow, deeply punctured, a black band, sinuated in front between the eyes, on the back part of the head.
This is a very remarkable and distinct species, with a very drawn-out spire, peculiar granuled sculpture, and a deeply sinuated labrum.
Outer lip thin, remarkably sinuated above towards the suture, and arcuately prominent below.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "sinuated" in a variety of sentences. We hope that you will now be able to make sentences using this word.
