In Lord of the Flies, the characters overcome a similar problem by instituting a rule that whoever has a designated conch shell gets their turn to talk.

As they lingered nearby, hoping to dart a biopsy sample from her skin, the dolphin dived and then surfaced with her beak lodged in a conch shell, which she waved back and forth above the water.

The spider conch (Lambis chiragra), a gastropod mollusk with six fingerlike projections sticking out of its shell, is one of these seabed dwellers.