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  • Arthropoda - Encyclopedia. com
    Arthropoda [1] The phylum Arthropoda is the largest and most varied in the animal kingdom It includes well over one million described species This represents approximately three-quarters of all known biological organisms, living or extinct
  • Arthropods: Insects, Arachnids, and Crustaceans - Encyclopedia. com
    ARTHROPODS: INSECTS, ARACHNIDS, AND CRUSTACEANS ARTHROPODS: INSECTS, ARACHNIDS, AND CRUSTACEANS Arthropods are animals with exoskeletons (external skeletons), segmented bodies, and jointed legs They are the largest group of animals on Earth and include insects, crustaceans, and arachnids Insects include organisms such as beetles, grasshoppers, and butterflies They are mostly terrestrial
  • Arthropod-borne Disease - Encyclopedia. com
    Arthropod-borne Disease Introduction Disease History, Characteristics, and Transmission Scope and Distribution Treatment and Prevention Impacts and Issues BIBLIOGRAPHY Introduction Arthropod-borne diseases are transmitted by arthropods, members of the invertebrate phylum Arthropoda, which includes insects, spiders, and crustaceans Mosquitoes, fleas, ticks, lice, and flies are the arthropods
  • Merostomata (Horseshoe Crabs) - Encyclopedia. com
    Merostomata (Horseshoe crabs) Phylum Arthropoda Class Chelicerata Subclass Merostomata Number of families 1 Thumbnail description Marine creatures distinguished by a large, hard exoskeleton that includes an arched, horseshoe-shaped shield in front (prosoma), a middle portion (opisthosoma), and a thin tail (telson); they are among the oldest living organisms
  • Crustacean | Encyclopedia. com
    Crustacean The Crustacea are a subphylum of the animal phylum Arthropoda This is a large and diverse group with more than forty thousand species, including crabs, shrimp, lobsters, crayfish, barnacles, and many near-microscopic members of the zooplankton community
  • Thecostraca (Cirripedes and Relatives) - Encyclopedia. com
    Thecostraca (Cirripedes and relatives) Phylum Arthropoda Subphylum Crustacea Class Maxillopoda Subclass Thecostraca Number of families 48 Thumbnail description Highly modified, mainly free-living sessile and parasitic crustaceans, usually enclosed within a calcareous carapace or forming a chitinous saclike body
  • Isopoda (Pillbugs, Slaters, and Woodlice) | Encyclopedia. com
    Isopoda (Pillbugs, slaters, and woodlice) Phylum Arthropoda Subphylum Crustacea Class Malacostraca Order Isopoda Number of families Approximately 120 Thumbnail description Small, generally gray, usually flat, marine, freshwater, or terrestrial animals with numerous legs; some species are parasitic
  • Malacostracans | Encyclopedia. com
    Malacostraca (phylum Arthropoda, subphylum Crustacea) One of eight classes of Crustacea, the malacostracans appear in the Cambrian There are usually eight pairs of biramous, thoracic limbs, some forms have pincer-like appendages, and the limbs may be modified for swimming, feeding, or other purposes
  • Marine Invertebrates - Encyclopedia. com
    Phylum Arthropoda Arthropods are the most numerous invertebrate phylum with over one million species identified Some scientists expect that there may be as many as ten million arthropods on Earth All arthropods have a strong external skeleton that protects them from predation and supports their body structures
  • Amphipoda (Amphipods) - Encyclopedia. com
    Amphipoda (Amphipods) Phylum Arthropoda Subphylum Crustacea Class Malacostraca Order Amphipoda Number of families 155 Thumbnail description Diverse group of crustacean arthropods ranging in size from 0 2 in (5 mm) to 9 8 in (25 cm) in length





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