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  1. Arthropoda | Encyclopedia.com

    May 23, 2018 · 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 …

  2. Arthropods: Insects, Arachnids, and Crustaceans - Encyclopedia.com

    ARTHROPODS: INSECTS, ARACHNIDS, AND CRUSTACEANS ARTHROPODS: INSECTS, ARACHNIDS, AND CRUSTACEANS. Arthropods are animals with exoskeletons (external …

  3. 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 …

  4. Arachnids | Encyclopedia.com

    Jun 8, 2018 · Arachnids Arachnids (class Arachnida) form the second largest group of terrestrial arthropods (phylum Arthropoda) with the class Insecta being the most numerous. There are …

  5. Crustacean | Encyclopedia.com

    May 14, 2018 · 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, …

  6. Trilobite | Encyclopedia.com

    May 8, 2018 · Trilobita (trilobites; phylum Arthropoda) The most primitive arthropod class (or in some classifications a phylum, where the Arthropoda rank as a superphylum), known from …

  7. 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 …

  8. Centipedes - Encyclopedia.com

    May 9, 2018 · Chilopoda (centipedes; phylum Arthropoda, subphylum Atelocerata) A class of uniramous arthropods that have segmented bodies with one pair of legs to each segment. …

  9. Uniramia - Encyclopedia.com

    May 21, 2018 · Uniramia Formerly a phylum or a subphylum of Arthropoda, in which the appendages are unbranched (i.e. uniramous) and at one time classed as members of the …

  10. cephalothorax - Encyclopedia.com

    May 29, 2018 · cephalothorax In some members of the phylum Arthropoda, the fused head and thorax. It is found in members of the Chelicerata (classes Merostomata, Arachnida, and …