Puneet Varma (Editor)

Maxillopoda

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Kingdom  Animalia
Scientific name  Maxillopoda
Phylum  Arthropoda
Subphylum  Crustacea
Higher classification  Crustacean
Rank  Class
Maxillopoda BBC Nature Barnacles and copepods videos news and facts
Lower classifications  Copepod, Barnacle, Branchiura, Pentastomida, Mystacocarida

Maxillopoda is a diverse class of crustaceans including barnacles, copepods and a number of related animals. It does not appear to be a monophyletic group, and no single character unites all the members.

Contents

Maxillopoda Introduction to Maxillopoda

Description

Maxillopoda PhylaAnthropoda Class Maxillopoda Barnacles Phyla Project

With the exception of some barnacles, maxillopodans are mostly small, including the smallest known arthropod, Stygotantulus stocki. They often have short bodies, with the abdomen reduced in size, and generally lacking any appendages. This may have arisen through paedomorphosis.

Maxillopoda wwweasybiologyclasscomwpcontentuploads20151

Apart from barnacles, which use their legs for filter feeding, most maxillopodans feed with their maxillae. They have a bauplan comprising 5 cephalic segments, 6 thoracic segments and 4 abdominal segments, followed by a telson.

Fossil record

Maxillopoda Maxillopoda

The fossil record of the group extends back into the Cambrian, with fossils of both barnacles and tongue worms known from that period.

Classification

Maxillopoda Maxillopoda maxillopoda

Six subclasses are generally recognised, although many works have further included the ostracods among the Maxillopoda. Of the six groups, only Mystacocarida are entirely free-living; all the members of the Tantulocarida, Pentastomida and Branchiura are parasitic, and many of the Copepoda and Thecostraca are parasites.

References

Maxillopoda Wikipedia


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