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Yes, spiders are invertebrates. They belong to the phylum Arthropoda, which includes animals without a backbone. Specifically, spiders are classified in the class Arachnida and the order Araneae, comprising over 43,000 species.
Invertebrates include various animal groups such as sponges, cnidarians (like jellyfish and corals), mollusks (such as snails and clams), annelids (segmented worms), and arthropods—which include insects, spiders, and crustaceans.
Yes, insects are invertebrates as well. They belong to the class Insecta within the phylum Arthropoda, which encompasses all animals without a backbone, including spiders and crustaceans.
If you are looking to buy spiders in the United Kingdom, Pets4Homes is a reliable online marketplace to check for ethical listings and owners offering spiders for sale.
