decapod


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decapod

(dĕk`əpŏd') (Gr.,=10 feet), name for invertebrate animals of the crustaceancrustacean
, primarily aquatic arthropod of the subphylum Crustacea. Most of the 44,000 crustacean species are marine, but there are many freshwater forms. The few groups that inhabit terrestrial areas have not been particularly successful in an evolutionary sense; most require
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 order Decapoda (phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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) including the crabs, the lobsters and crayfish, and the true shrimps, all having five pairs of legs. The name Decapoda was also formerly applied to a very different group of animals, a cephalopodcephalopod
, member of the class Cephalopoda, the most highly organized group of mollusks (phylum Mollusca), and including the squids, octopuses, cuttlefish, and nautiluses. The class as a whole has become adapted for a free-swimming existence.
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 order including the cuttlefish and squids, characterized by two long and eight short tentacles. The cuttlefish are now classified in the order Sepiida and the squids in the order Teuthoidea of the class Cephalopoda in the phylum MolluscaMollusca
, taxonomic name for the one of the largest phyla of invertebrate animals (Arthropoda is the largest) comprising more than 50,000 living mollusk species and about 35,000 fossil species dating back to the Cambrian period.
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decapod

1. any crustacean of the mostly marine order Decapoda, having five pairs of walking limbs: includes the crabs, lobsters, shrimps, prawns, and crayfish
2. any cephalopod mollusc of the order Decapoda, having a ring of eight short tentacles and two longer ones: includes the squids and cuttlefish
3. (of any other animal) having ten limbs
References in periodicals archive ?
A total of 3,156 anomuran and brachyuran individuals was collected, comprising 14 decapod species (7 Anomura and 7 Brachyura); 11 species were collected in both regions.
These filters have been used to keep the water quality favorable for decapod larvae culture (see Valenti et al., 2010, and references cited therein).
Interestingly, this study is the first evidence of vertical transmission of a microsporidium in decapods (Order Decapoda) within the same Class Malacostraca, Subphylum Crustacea and Phylum Arthropoda with Order Amphipoda.
A study on the decapod crustacean fauna of the coast of Gerze-Hamsaroz (Sinop).
Besides the AOTTCB view, another view exists about the timing of decapod larval release synchrony with the spring tide period, which is hereafter called the "syzygy-cycle-based (SCB) view." The larval release times of a larval export-type female in the course of the reproductive season are determined by how she keeps pace with synchronized mating and how long it takes for newly deposited embryos to develop under temporally varying temperatures (Christy 1978, Wheeler 1978, DeCoursey 1983, Forward 1987).
Epibiont invertebrates (e.g., hydroids, polychaetes and barnacles) on decapods may also benefit from resuspended debris (Williams & Moyse, 1988) or the diet of the host (Bowers, 1968; Abello et al., 1990).
Despite the recent little interest on the respiration of the decapod crustacea, particularly the poorly reported data in the morphology of thegills, especially morphological studies of the gills of the red swamp freshwater crayfish P.
To simplify, shrimp can be separated into two categories: decapods (literally "ten-footed") and non-decapods.