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Subphylum Crustacea - Crustaceans

Longtail Tadpole Shrimp (Triops longicaudatus) - Triops European Sowbug - Oniscus asellus Mexiweckelia hardeni Holsinger - Mexiweckelia hardeni Mangrove tree crab? - Aratus pisonii Sapphirinidae - male Northern crayfish - Orconectes virilis Nonbug (Order Cladocera?) - Simocephalus Pregnant tanaid: Zeuxo sp.? - Synaptotanais notabilis - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Explanation of Names
Crustacea BrĂ¼nnich 1772
Numbers
~67,000 spp. worldwide, including approximately:
40,000 spp. in class Malacostraca
13,000 spp. in class Ostracoda
13,000 spp. in subclass Copepoda(1)
Remarks
classification in(2)
Works Cited
1.Wikipedia
2.An updated classification of the recent Crustacea
Martin J.W., Davis G.E. 2001. Natural History Museum of Los Angeles County, Science Series 39: vi + 124 pp.