Malacostraca


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Malacostraca

[‚mal·ə′kä·strə·kə]
(invertebrate zoology)
A large, diversified subclass of Crustacea including shrimps, lobsters, crabs, sow bugs, and their allies; generally characterized by having a maximum of 19 pairs of appendages and trunk limbs which are sharply differentiated into thoracic and abdominal series.
References in periodicals archive ?
Phylum Arthropoda Class Malacostraca Order Stomatopoda Family Hemisquillidae
The class Malacostraca includes the superorders Pancarida (order Thermosbaenacea), Peracarida (orders Mysidacea, Amphipoda, and Isopoda), and Eucarida (order Decapoda) (Covich & Thorp 1991).
Middle Cambrian Branchiapoda, Malacostraca, Trilobita and Merostomata: Cambrian geology and paleontology, II, Smithsonian Miscellaneous Collections 57: 145-228.
In the course of this study, fossils identifiable to the Order Malacostraca (spiny lobster leg segments and antennae) have also been collected from the same section of the unit where the C.