cirripede

/ ˈsɪrɪˌpɛd; ˈsɪrɪˌpiːd /

noun

any marine crustacean of the subclass Cirripedia, including the barnacles, the adults of which are sessile or parasitic

cirripede

/ sîr′ə-pēd′ /

Any of various small marine crustaceans of the subclass Cirripedia, which includes the barnacles. Some cirripedes become internal parasites of other marine invertebrates in the adult stage, while others (the barnacles) attach themselves to objects and grow a hard shell. Cirripedes are related to copepods.

In no sessile cirripede are the orifices produced or tubular, as is the case with several genera amongst the Lepadid.

It is directed posteriorly, the sophagus extending anteriorly; both these directions being the same as in the mature cirripede.

A sketch of the position of the young Cirripede within the pupa, was made by the camera.

At this age there is no trace of the vesicul seminales, so conspicuous in the mature Cirripede.

In the young Cirripede, after the metamorphosis, there is no trace of this medial dorsal suture, or of the wider sternal surface.

April 17, 2024axolotl

[ak-suh-lot-l ]

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