Spiral seashells are called nautilus shells. These types of shells can be found on a squid or octopus and are very hard.
Syrinx Aruanus (Australian Trumpet)
the valence shell
valence shell
It would be spiral, hence the name it was given.
The land snail is an air breathing, gastropod with a spiral shell. Helix pomatia is the scientific name for the snail.
It is the valency shell.
The outer shell of an atom is the valence shell, which contains the valence electrons.
wentletrap
wentletrap
Halo is the name given for a sparse area in space that surrounds a spiral galaxy. This type of galaxy has special constellations.
The spiral shelled mollusk that many people know these days are the snail it is a spiral shell to protect this animal from its prey.
It is a cephalopod that has a spiral shell with pale pearly partitions.