Each is the hallmark of a major animal group—a collection of related species that biologists usually call a Phylum. Mollusks—snails, clams, octopi and their kin—are one such group.

Maybe. The ruling class Phylum Arthropoda: Judging by number of species and sheer abundance, arthropods are hands down the planet’s most dominant phylum, or principal division, in the animal ...

Oysters and clams are two very popular edible mollusks or bivalves. Although they have many similarities between them, there ...

They belong to the class Scyphozoa, in the phylum Cnidaria, which also includes corals. (A phylum is such a broad taxonomic category that humans, fish, snakes, frogs, and all other animals with a ...

I learned their taxonomies — the kingdom, phylum, class, order, family, genus, and species. Some of these animals exhibited parasitism: In order to survive, they’d latch onto a host organism ...

If you still remember that "Dear King Phillip Came Over For Good Spaghetti," you'll likely also recall the corresponding ...

Additionally, the data imply that two separate individuals can rapidly merge their nervous systems and share action ...

Learn about Violet Dandridge, Aime Motter Awl, Carolyn Bartlett Gast, and Marilyn Schotte: four women from the Smithsonian ...

If you have ever found a creepy-crawly creature in your home and thought to yourself, ‘Ew, it’s a centipede!’ you’re not ...

Coral reefs are one of the most diverse ecosystems on the planet. What are the abiotic and biotic interactions that structure this diverse ecosystem? Corals are members of the phylum Cnidaria, a ...

The phylum Mollusca accounts for over 50,000 species. Some of these, like oysters, are among the most prestigious seafoods in the world. However, another type of mollusk called limpets are not. While ...

For 170 years, most of what we've known of the largest bug to ever live on Earth came from discarded headless casings with ...