Derocheilocarididae

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Mystacocarida
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Derocheilocarididae
Ctenocheilocaris galvarini
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Superclass: Oligostraca
Subclass: Mystacocarida
Pennak & Zinn, 1943
Order: Mystacocaridida
Pennak & Zinn, 1943
Family: Derocheilocarididae
Pennak & Zinn, 1943
Genera

Derocheilocarididae is a family of marine

monotypic order Mystacocaridida, and the monotypic subclass Mystacocarida. These mystacocarids are less than 1 mm (0.04 in) long, and live interstitially in the intertidal zones
of sandy beaches.

Taxonomy

The taxonomy of the mystacocarids is extremely conservative, since all mystacocarids look superficially alike. As of December 2022[update], the 13 described species are divided between two genera, Derocheilocaris (eight species) and Ctenocheilocaris (five species).[1][2] The first mystacocarids to be found were discovered on a beach in southern New England in 1939.[3]

Distribution

Mystacocarids occur along the coasts of South and North America, southern Africa, and the western Mediterranean.[4] The lack of records from other parts of the world is "almost certainly" due to a lack of appropriate sampling, rather than a true absence.[2]

Description

Mystacocarids are tiny pigmentless crustaceans, less than 1 mm (0.039 in) long, that live in the spaces between sand grains on

intertidal beaches.[3][5] They have a cylindrical body, with five thoracic and five abdominal segments.[6]

The appendages of the head—two pairs of long

nauplius or metanauplius larva.[4] Like the adults, the larvae are benthic.[12][13]

References

  1. ^ "WoRMS Mystacocarida: World List of Mystacocarida". 2012 Annual Checklist. Catalogue of Life. March 15, 2012. Retrieved October 24, 2012.
  2. ^
    ISBN 978-1-60344-094-3
    .
  3. ^
    ISBN 978-0-520-23939-5
    .
  4. ^ a b J. K. Lowry (October 2, 1999). "Mystacocarida (Maxillipoda)". Crustacea, the Higher Taxa. Australian Museum. Archived from the original on September 28, 2011. Retrieved July 25, 2011.
  5. ^ The Invertebrates: A Synthesis (page 197)
  6. ISBN 978-0-03-056747-6
    .
  7. ^ External Morphology and Post-Embryonic Development of Derocheilocaris Remanei (Mystacocarida) Revisited, with a Comparison to the Cambrian Taxon Skara
  8. ^ External morphology and larval development of Derocheilocaris remanei Delamare-Deboutteville & Chappuis, 1951 (Crustacea, Mystacocarida), with a comparison of crustacean segmentation and tagmosis patterns
  9. ^ Evolution and Phylogeny of Pancrustacea: A Story of Scientific Method
  10. ^ Functional Morphology and Diversity
  11. ^ Invertebrate neurophylogeny: suggested terms and definitions for a neuroanatomical glossary
  12. ^ Mystacocarida | MeioChile
  13. ^ Key for the identification of crustacean nauplii - ScienceDirect
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