A common nautilus of the Indo-Pacific, with a light spiral shell that is white with brownish bands on the outside and lined with mother-of-pearl on the inside.
- ‘The Nautilids include the modern pearly nautilus and its evolutionary ancestors and relatives.’
- ‘Meanwhile, only a few species of pearly nautilus continue as the last survivors of the once important Nautiloidea.’
- ‘The pearly nautilus is an exception to most generalizations about cephalopods.’
- ‘From that area they discovered incredibly rich marine life, ammonites, giant coiled things looking like the pearly nautilus and related to it but now long extinct at the same time as the dinosaurs.’
We take a look at several popular, though confusing, punctuation marks.