FDA Drug Safety Podcast for Healthcare Professionals: Selective serotonin reuptake inhibitor (SSRI) antidepressant use during pregnancy and reports of a rare heart and lung condition in newborn babies [ARCHIVED] 12/14/2011.
Some of the animals that are arthropods are lobsters, spiders, insects, millepedes, centipedes, jellyfishes, snails, worms, and sea sponges. Lobsters crabs scorpions... Some of the animals that are arthropods are lobsters, spiders, insects, millepedes, centipedes, jellyfishes, snails, worms, and sea sponges.
The three major classes of Arthropods are Insects, Arachnids and Crustaceans. The horseshoe belongs to its own class called Merostomata, which means legs attached to the mouth.. (See Anatomy) Though they are called crabs, a quick look at their taxonomy shows that they're not.