Poecilostomatoida
Poecilostomatoida is a suborder of copepods. Although it was previously considered a separate order. Description The classification of these copepods has been established on the basis of the structure of the mouth. In poecilostomatoids the mouth is represented by a transverse slit, partially covered by the overhanging Labrum (arthropod mouthpart), labrum which resembles an upper lip. Although there is variability in the form of the mandible (arthropod mouthpart), mandible among poecilostomatoids, it can be generalized as being falcate (sickle-shaped). The antennules are frequently reduced in size and the Antenna (biology), antennae modified to terminate in small hooks or claws that are used in attachment to host organisms. Life cycle As with many crustaceans, larval development is metamorphosis, metamorphic with immature forms differing greatly from those of adults. Embryos are carried in paired or single sacs attached to first abdominal somite (as seen in the illustration of th ...
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Sapphirina Darwinii
''Sapphirina darwinii'' is a species of parasitic copepod. It is widespread and common in the Indian Ocean, and reaches a maximum length of . References External links

* Cyclopoida Crustaceans described in 1864 Taxa named by Ernst Haeckel {{Copepod-stub ...
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