Caprellida

Male of Caprella acanthifera, from here


Belongs within: Amphipoda.

The Caprellida, skeleton shrimp, are a group of small, elongate marine amphipods. They are mostly found living among larger, camouflaging organisms such as bryozoans or seagrasses.

Characters (from Myers & Lowry 2003, as Caprellidae): Head round with distinct neck region. Mandible molar present or absent. Pereopods 3-4 variable, fully segmented or reduced; pereopod 4 absent or pereopods 3 and 4 absent. Urosomites 1 and 2 coalesced or not coalesced.

<==Caprellida MD01
    |  i. s.: Protellopsis kergueleni L95
    |--Phtisicidae [Dodecadidae, Phtisicoidea] MD01
    |    |--Phtisicinae L95
    |    |    |--Phtisica marina Slabber 1769 L95
    |    |    `--Quadrisegmentum triangulum Hirayama 1988 L95
    |    `--Dodecadinae L95
    |         |--Dodecas elongata Stebbing 1883 L95
    |         |--Pseudocaprellina pambanensis Sundara Raj 1927 L95
    |         |--Semidodecas Laubitz 1995 L95
    |         |    `--*S. beuroisi Laubitz 1995 L95
    |         |--Symmetrella Laubitz 1995 L95
    |         |    `--*S. arnaudi Laubitz 1995 L95
    |         `--Dodecasella L95
    `--Caprelloidea MD01
         |--Caprellinoididae MD01
         |    |--Caprellinoides tristanensis Stebbing 1888 L95
         |    |--Pseudaeginella Mayer 1890 [incl. Fallotritella] L95
         |    |    |--P. antiguae Barnard 1932 L95
         |    |    |--P. biscaynensis (McCain 1968) L95
         |    |    |--P. montoucheti (de Araujo Quitete 1971) L95
         |    |    |--P. polynesica (Müller 1990) L95
         |    |    |--P. sanctipauli Laubitz 1995 L95
         |    |    `--P. tristanensis (Stebbing 1888) L95
         |    |--Verrucaprella Laubitz 1995 L95
         |    |    `--*V. gracilispina Laubitz 1995 L95
         |    |--Liropropus Laubitz 1995 L95
         |    |    `--*L. segonzaci Laubitz 1995 L95
         |    `--Proliropus L95
         |--Caprogammaridae MD01
         |--Paracercopidae MD01
         |--Protellidae MD01
         |    |--Protella L95
         |    |    |--P. gracilis Dana 1853 L95
         |    |    `--P. similis Mayer 1903 L95
         |    |--Metaprotella sandalensis Mayer 1898 L95
         |    `--Paraprotella prima Mayer 1903 L95
         |--Caprellidae MD01
         |    |--Caprella BK77
         |    |    |--C. acanthifera Leach 1814 BD95
         |    |    |--C. aequilibra Say 1818 BD95
         |    |    |--C. californica L95
         |    |    |--C. danilewskii (Czerniawski 1868) BD95
         |    |    |--C. equilibra Say 1818 L95
         |    |    |--C. extensimana Laubitz 1995 L95
         |    |    |--C. gigantochir Mayer 1803 L95
         |    |    |--C. grandimana BBB-S95
         |    |    |--C. insularis Laubitz 1995 L95
         |    |    |--C. linearis (Linnaeus 1758) BD95
         |    |    |--C. liparotensis (Haller 1880) BD95
         |    |    |--C. madrasana L95
         |    |    |--C. mitis Mayer 1890 BD95
         |    |    |--C. natalensis Mayer 1903 L95
         |    |    |--C. palkii L95
         |    |    |--C. penantis BBB-S95
         |    |    `--C. scaura Templeton 1836 L95
         |    |--Liporus elongatus Mayer 1890 BD95
         |    |--Pseudolirius kroyeri (Haller 1879) BD95
         |    `--Pseudoprotella phasma (Montagu 1804) BD95
         `--Pariambidae MD01
              |  i. s.: ‘Protella’ trilobata McCain & Gray 1971 L95
              |--Pariambus typicus (Kröyer 1844) BD95 [=Podalirus typicus BK77]
              `--Hemiaegina L95
                   |--H. costai de Qrujo Quitete 1972 L95
                   `--H. minuta L95

*Type species of generic name indicated

REFERENCES

[BD95] Bakalem, A. & J.-C. Dauvin. 1995. Inventaire des crustacés amphipodes (Gammaridea, Caprellidea, Hyperiidea) des costes d'Algérie: essai de synthèse. Mésogée 54: 49-62.

[BK77] Barel, C. D. N., & P. G. N. Kramers. 1977. A survey of the echinoderm associates of the north-east Atlantic area. Zoologische Verhandelingen 156: 1-159.

[BBB-S95] Boubezari, K., G. Bitar & D. Bellan-Santini. 1995. Structure et organisation de trois moulières (Mytilus galloprovincialis et Perna perna) de la région d'Alger. Mésogée 54: 63-72.

[L95] Laubitz, D. R. 1995. Caprellidea (Crustacea: Amphipoda) from the southern and western Indian Ocean. Mésogée 54: 81-100.

[MD01] Martin, J. W., & G. E. Davis. 2001. An updated classification of the Recent Crustacea. Natural History Museum Los Angeles County, Science Series 39: 1-124.

Myers, A. A., & J. K. Lowry. 2003. A phylogeny and a new classification of the Corophiidea Leach, 1814 (Amphipoda). Journal of Crustacean Biology 23 (2): 443-485.

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