Spinicaudata

crustacean

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In branchiopod: Size range and diversity of structure
In the Spinicaudata, however, the number of paired trunk segments varies among its members from 12 up to 32 in some species. A carapace is present in the infraorders Ctenopoda and Anomopoda, but it encloses only the trunk, leaving the head free. In the infraorders Onychopoda and…
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In branchiopod: Annotated classification
Order Diplostraca Suborder Spinicaudata Large carapace in 2 parts encloses head and trunk; antennae large, branched, and used in swimming; 16 to 32 pairs of trunk limbs, flattened, leaflike, and used in filter feeding; male with first 2 pairs of trunk limbs modified for grasping female during mating;…
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