Fig 5. Ophiuroid skeletal characters identified as the potential synapomorphies.
<dl><dd>(A) Radial shield of <i>Ophioderma longicauda</i> (SMNH-133258). (B) Radial shield of <i>Ophiarachna incrassata</i> (MnhnL OPH001). (C) Radial shield of <i>Ophiocoma echinata</i> (MnhnL OPH002). (D) Radial shield of <i>Ophiomyxa pentagona</i> (SMNH-111006). (E) Radial shield of <i>Ophiura ophiura</i>, with entire rather than incised abradial edge (MnhnL OPH003). (F) Abradial genital plate of <i>Ophiomusium lymani</i> (SMNH-130500). (G) Abradial genital plate of <i>Ophioderma longicauda</i> (SMNH-133258). (H) Abradial genital plate of <i>Ophiolimna bairdi</i> (SMNH-127044). (I) Abradial genital plate of <i>Ophiodoris malignus</i> (MnhnL OPH004). (J) Abradial genital plate of <i>Ophiothrix fragilis</i> (SMNH-111046). (K) Abradial genital plate of <i>Ophiotholia spathifer</i> (MnhnL OPH005). (L) Detail of genital slit of <i>Palaeocoma milleri</i> showing papillae (Pap) on abradial genital plate (MnhnL OPH006). (M) Detail of genital slit of <i>Ophionereis porrecta</i> showing granules (Gran) on abradial genital plate (specimen now disarticulated). (N) Detail of ventral disc of <i>Ophiura ophiura</i> showing position of second oral tentacle pores (2nd otp) and arrangement of the respective papillae (MnhnL OPH007). Scale bars equal 0.25 mm in (A)-(K) and 1 mm in (L)-(N).</dd></dl>
Thuy B, Stöhr S (2016)
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Thuy B, Stöhr S (2016) A New Morphological Phylogeny of the Ophiuroidea (Echinodermata) Accords with Molecular Evidence and Renders Microfossils Accessible for Cladistics. <i>PLoS ONE</i> 11(5): e0156140. <a rel="nofollow" class="external free" href="https://doi.org/10.1371/journal.pone.0156140">https://doi.org/10.1371/journal.pone.0156140</a>