Fig 6. Ophiuroid skeletal characters identified as the potential synapomorphies.
<dl><dd>(A) Detail of mouth of <i>Gorgonocephalus caputmedusae</i> showing multiple rows of oral papillae (SMNH-131549). (B) Detail of mouth of <i>Ophiomyces delata</i> showing multiple rows of oral papillae (SMNH-123450). (C) Dental plate of <i>Ophiarachna incrassata</i> (MnhnL OPH008). (D) Dental plate of <i>Ophiocten sericeum</i> (MnhnL OPH009). (E) Dental plate of <i>Ophioscolex glacialis</i> (SMNH-111001). (F) Dental plate of <i>Ophiodoris malignus</i> (MnhnL OPH010). (G) Dental plate of <i>Ophionereis porrecta</i> (SMNH-111008). (H) Oral plate of <i>Amphiura chiajei</i> in abradial view showing rib-like branching structures (ribs) (SMNH-105100). (I) Oral plate of <i>Ophiactis savignyi</i> in abradial view (MnhnL OPH011). (J) Oral plate of <i>Ophiomusium lymani</i> in adradial view showing position of adradial muscle attachment area (ad amaa) (SMNH-130500). (K) Oral plate of <i>Ophiodoris malignus</i> in adradial view (MnhnL OPH012). (L) Oral plate of <i>Asteronyx loveni</i> in adradial view (MnhnL OPH013). (M) Oral plate of <i>Ophiopholis aculeata</i> in adradial view (MnhnL OPH014). (N) Ventral arm plate of <i>Ophiomyces delata</i> showing sockets for tentacle scales (tss) (MnhnL OPH015). (O) Ventral arm plate of <i>Ophioderma longicauda</i> showing spur on proximal edge (spur) (SMNH-133258). (P) Dorsal arm plate of <i>Ophioderma longicauda</i> showing spurs on proximal edge (SMNH-133258). (Q) Arm spine of <i>Ophiarachna incrassata</i> (MnhnL OPH016). (R) Vertebra of <i>Ophiothrix fragilis</i> in dorsal view (SMNH-67805). (S) Vertebra of <i>Ophiodoris malignus</i> in dorsal view (MnhnL OPH017). Scale bars equal 1 mm in (A)-(B), 0.25 mm in (C)-(G) and (N)-(S), and 0.5 mm in (H)-(M).</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>