The Arthropoda includes invertebrates such as insects, spiders, crustaceans, scorpions, and centipedes. Arthropods are a highly successful group of animals. They evolved more than 500 million years ago and are still going strong. They have colonized a vast variety of ecological niches around the globe and have evolved into a multitude of forms.
Images 1-12 of 12
 Cucumber Green Spider |  African Yellow Leg Scorpion |  Horseshoe Crab |  Jumping Spider |
 Lesser Marbled Fritillary |  Ghost Crab |  Katydid |  Millipede |
 Porcelain Crab |  Rosy Lobsterette |  Dragonfly |  Ladybug |
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