Branchiopoda

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Related to branchiopods: Foraminifera

Branchiopoda

[‚braŋ·kē′äp·ə·də]
(invertebrate zoology)
A subclass of crustaceans containing small or moderate-sized animals commonly called fairy shrimps, clam shrimps, and water fleas.

Branchiopoda

 

a subclass of the class Crustacea. The head is not fused with the front thoracic segments. There is no mandibular palp, and both the maxilla and mandible are weakly developed. The thoracic limbs are foliate and nonsegmented as a rule; they are used for locomotion, breathing, and bringing food to the mouth. The nerve stems of the ventral nerve cord are widely spaced. There are from four to 11 (rarely as many as 19) thoracic segments. The cephalothoracic carapace is shaped like a shield or a bivalve shell or is entirely absent. The animals live mainly in fresh water. The subclass comprises three orders: Anostraca, Phyllopoda, and Lipostraca (represented only by extinct forms).

References in periodicals archive ?
The occurrence of large branchiopod crustaceans in perennial pans: a research note.
The brain was also composed of three fused segments, whereas in branchiopods only two segments are fused.
In branchiopods, there are always only two visual neuropils and they are not linked by crossing fibers.
They argue the fossil supports the hypothesis that branchiopod brains evolved from a previously complex to a more simple architecture instead of the other way around.
Evolution has not been especially kind to branchiopods to this point.
These days, branchiopods fare best in pools that periodically dry up, making it harder for those predatory aquatic insects to get established.
Denton Belk graciously identified all the large branchiopod specimens from my field work and provided guidance and technical information during the preparation of this work.