
Arthropoda - Encyclopedia.com
2018年5月23日 · 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 …
Arthropods: Insects, Arachnids, and Crustaceans
ARTHROPODS: INSECTS, ARACHNIDS, AND CRUSTACEANS ARTHROPODS: INSECTS, ARACHNIDS, AND CRUSTACEANS. Arthropods are animals with exoskeletons (external …
Arachnids - Encyclopedia.com
2018年6月8日 · Arachnids (class Arachnida) form the second largest group of terrestrial arthropods (phylum Arthropoda) with the class Insecta being the most numerous. There are …
Merostomata (Horseshoe Crabs) - Encyclopedia.com
Phylum Arthropoda. Class Chelicerata. Subclass Merostomata. Number of families 1. Thumbnail description Marine creatures distinguished by a large, hard exoskeleton that includes an …
Cephalothorax - Encyclopedia.com
2018年5月29日 · 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 …
Malacostracans - Encyclopedia.com
2018年5月21日 · Malacostraca (phylum Arthropoda, subphylum Crustacea) One of eight classes of Crustacea, the malacostracans appear in the Cambrian. There are usually eight pairs of …
Centipedes - Encyclopedia.com
2018年5月9日 · Centipedes (phylum Arthropoda, class Chilopoda) occur throughout the world in both temperate and tropical regions, living in soil and humus and beneath fallen logs, bark, …
Copepods - Encyclopedia.com
2018年5月21日 · Copepoda (phylum Arthropoda, sub-phylum Crustacea) Large and diverse class of mostly marine crustaceans, though there are many freshwater species and a few which live …
Trilobite - Encyclopedia.com
Trilobita (trilobites; phylum Arthropoda) The most primitive arthropod class, known from more than 3900 fossil species. Inhabitants of Palaeozoic seas, the trilobites appeared first in the early …
Arthropod-borne Disease - Encyclopedia.com
Arthropod-borne diseases are transmitted by arthropods, members of the invertebrate phylum Arthropoda, which includes insects, spiders, and crustaceans. Mosquitoes, fleas, ticks, lice, …