Crustacean (Group of Arthropods) / by Reyes, Virgil, author 648225

“…Crustaceans (Crustacea) form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. …”
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Parasitology (Study of Parasites) / by Thrash, Jada, author 648675

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Chelicerata (Animal Subphylum) / by Booth, Trinidad, author 648208

“…The surviving marine species include the four species of Xiphosurans (horseshoe crabs), and possibly the 1,300 species of Pycnogonida (sea spiders), if the latter are chelicerates. …”
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Malacostraca (Class of Crustacean) / by Robert, Cornelius, author 648261

“…Its members display a greater diversity of body forms than any other class of animals, and include crabs, lobsters, shrimp, krill, woodlice, scuds (Amphipoda), mantis shrimp and many other less familiar animals. …”
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Subphylums of Arthropoda / by Dowdell, Gertrudis, author 648561

“…The surviving marine species include the four species of Xiphosurans (horseshoe crabs), and possibly the 1,300 species of Pycnogonida (sea spiders), if the latter are chelicerates. …”
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Oil Spill Environmental Forensics Case Studies / by Stout, Scott A., editor 359512, Wang, Zhendi, editor 224178, ScienceDirect (Online service) 7722

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