Common brittle stars Ophiothrix fragilis, copyright Bernard Picton.

Belongs within: Gnathophiurina.

The Ophiotrichidae are a family of stout-toothed brittle stars.

Characters (from Spencer & Wright 1966): Teeth stout, quadrangular, spiniform tooth papillae clustered at apex of each jaw. No oral papillae.

    |--Dougaloplus BM09
    |--Ophiomaza Lyman 1871 [incl. Luetkenia Brock 1888 nec Claus 1864 nec Duncan 1878] SW66
    |    `--*O. cacaotica Lyman 1871 SW66
    |--Ophiopteron Ludwig 1888 SW66
    |    `--*O. elegans Ludwig 1888 SW66
    |--Amphiophiothrix Clark 1946 SW66
    |    `--*A. demessa (Lyman 1861) [=Ophiothrix demessa] SW66
    |--Gymnolophus Brock 1888 SW66
    |    `--*G. holdsworthi (Smith 1878) [=Ophiothela holdsworthi] SW66
    |--Lissophiothrix Clark 1938 SW66
    |    `--*L. delicata Clark 1938 SW66
    |--Ophioaethiops Brock 1888 [incl. Ophiohelix Koehler 1895] SW66
    |    `--*O. unicolor Brock 1888 SW66
    |--Ophiocnemis Müller & Troschel 1842 SW66
    |    `--*O. marmorata (Lamarck 1816) [=Ophiura marmorata] SW66
    |--Ophiolophus Marktanner-Turneretscher 1887 SW66
    |    `--*O. novarae Marktanner-Turneretscher 1887 SW66
    |--Ophiopeltis Düben & Koren 1846 SW66
    |    `--*O. securigera Düben & Koren 1846 SW66
    |--Ophiophthirius Döderlein 1898 SW66
    |    `--*O. actinometrae Döderlein 1898 sW66
    |--Ophiopsammium Lyman 1874 SW66
    |    `--*O. semperi Lyman 1874 SW66
    |--Ophiosphaera Brock 1888 SW66
    |    `--*O. insignis Brock 1888 SW66
    |--Ophiotrichoides Ludwig 1882 SW66
    |    `--*O. lymani Ludwig 1882 SW66
    |--Ophiothela Verrill 1867 [incl. Ophioteresis Bell 1892] SW66
    |    |--*O. mirabilis Verrill 1867 SW66
    |    `--O. danae Verrill 1869 MG-H11
    |--Ophiogymna Ljungman 1866 [incl. Ophiocampsis Duncan 1887] SW66
    |    |--*O. elegans Ljungman 1866 SW66
    |    |--O. pellicula (Duncan 1887) BM09
    |    `--O. pulchella (Koehler 1905) MG-H11
    |--Macrophiothrix Clark 1938 [incl. Placophiothrix Clark 1938] SW66
    |    |--*M. longipeda (Lamarck 1816) [=Ophiura longipeda] SW66
    |    |--M. demessa (Lyman 1861) BM09
    |    |--M. koehleri Clark 1968 MG-H11
    |    `--M. variabilis (Duncan 1887) MG-H11
    `--Ophiothrix Müller & Troschel 1840 B01
         |--O. pentaphylla (Pennant 1777) (see below for synonymy) SW66
         |--O. aristulata Lyman 1879 MG-H11
         |--O. armata Koehler 1905 BM09
         |--O. caespitosa Lyman 1879 MG-H11
         |--O. capillaris H04
         |--O. ciliaris (Lamarck 1816) MG-H11
         |--O. exigua Lyman 1874 BM09
         |--O. foveolata Marktanner-Turneretscher 1887 MG-H11
         |--O. fragilis AB01 [incl. O. alopecurus BK77, O. echinata BK77, O. versicolor BK77]
         |--O. nereidina (Lamarck 1816) BM09
         |--O. purpurea von Martins 1867 BM09
         |--O. quinquemaculata BK77
         |--O. savignyi F67
         |--O. spiculata CH97
         |--O. spongicola Stimpson 1855 MG-H11
         `--O. viridialba von Martens 1867 MG-H11

Ophiothrix pentaphylla (Pennant 1777) [=Asterias pentaphylla; incl. Ophiura rosula Fleming 1828, *Ophiothrix rosula] SW66

*Type species of generic name indicated


[AB01] Aronson, R. B., & D. B. Blake. 2001. Global climate change and the origin of modern benthic communities in Antarctica. American Zoologist 41: 27–39.

[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.

[B01] Boczarowski, A. 2001. Isolated sclerites of Devonian non-pelmatozoan echinoderms. Palaeontologia Polonica 59: 1–219.

[BM09] Bryce, C., & L. Marsh. 2009. Echinodermata (Asteroidea, Echinoidea and Holothuroidea) of Mermaid (Rowley Shoals), Scott and Seringapatam Reefs, Western Australia. Records of the Western Australian Museum Supplement 77: 209–220.

[CH97] Castro, P., & M. E. Huber. 1997. Marine Biology 2nd ed. WCB McGraw-Hill: Boston.

[F67] Fell, H. B. 1967. Echinoderm ontogeny. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt S. Echinodermata 1. General characters. Homalozoa—Crinozoa (except Crinoidea) vol. 1 pp. S60–S85. The Geological Society of America, Inc., and The University of Kansas: Lawrence (Kansas).

[H04] Haeckel, E. 1899–1904. Kunstformen der Natur. Bibliographisches Institut: Leipzig und Wien.

[MG-H11] McEnnulty, F. R., K. L. Gowlett-Holmes, A. Williams, F. Althaus, J. Fromont, G. C. B. Poore, T. D. O’Hara, L. Marsh, P. Kott, S. Slack-Smith, P. Alderslade & M. V. Kitahara. 2011. The deepwater megabenthic invertebrates on the western continental margin of Australia (100–1100 m depths): composition, distribution and novelty. Records of the Western Australian Museum Supplement 80: 1–191.

[SW66] Spencer, W. K., & C. W. Wright. 1966. Asterozoans. In: Moore, R. C. (ed.) Treatise on invertebrate Paleontology pt U. Echinodermata 3 vol. 1 pp. U4–U107. The Geological Society of America, Inc., and The University of Kansas Press.

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