Mollusk Mania

Mollusca is the second-largest phylum of invertebrate animals, comprising about 23% of all named marine organisms and numerous species in freshwater and terrestrial habitats.

Around 76,000 extant species of molluscs are recognized.

The estimated number of fossil species is between 60,000 and 100,000 additional species.

<p>Cephalopod molluscs include squid, cuttlefish, and octopuses, which are among the most neurologically advanced of all invertebrates.</p> Signup and view all the answers

<p>Gastropods are a class of molluscs that include snails and slugs.</p> Signup and view all the answers