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7 results for “Ophiotrichidae”
Fig. 29. Ophiotrichidae Ljungman, 1867 in Taxonomic analysis of the genital plates and associated structures in Ophiuroidea (Echinodermata)
Fig. 29. Ophiotrichidae Ljungman, 1867, Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789), SEM, unless otherwise noted. A. Genital plates and radial shield inside disc, micro-CT. B. Genital plates in situ, ventral aspect. C. adGP, abradial aspect. D. adGP, adradial aspect. E. abGP, abradial aspect. F. abGP, adradial aspect. G. Radial shield, internal aspect. H. Madreporite, internal aspect. I. Oral shield, internal aspect. J. oGP (arrowheads) in situ, ventral aspect, digital image. K. Same, internal dorsal aspect. L. oGP. Scale bars: A–G, J–K = 1 mm; H–I, L = 0.5 mm.
FIGURES 10–12. Macrophiothrix caenosa, holotype. 10. Dorsal arm plates, 16 in A new species of Macrophiothrix (Ophiuroidea: Ophiotrichidae) common in northern Australia
FIGURES 10–12. Macrophiothrix caenosa, holotype. 10. Dorsal arm plates, 16th and 17th from disc. 11. Ventral arm plates, 19th and 20th from mouth. 12. Single jaw. Scale bar 1 mm.
FIGURES 3–9 in A new species of Macrophiothrix (Ophiuroidea: Ophiotrichidae) common in northern Australia
FIGURES 3–9. Dental plates of Macrophiothrix caenosa and M. longipeda, ventral ends uppermost. 3–6. M. caenosa. 3. Specimen from Darwin, Northern Territory (NTM Q4928, d.d. 16 mm), papillae and teeth removed. 4. Same specimen (NTM Q4928), papillae and teeth intact. 5. Specimen from Japan (NTM Q5423, d.d. 17 mm), papillae and teeth intact. 6. Specimen from Darwin, Northern Territory (NTM Q4849, d.d.11 mm), papillae and teeth intact. 7–9. M. longipeda. 7. Specimen from Lizard Island, Queensland (NTM Q5421, d.d. 16 mm), papillae and teeth removed. 8. Same specimen (Q5421), papillae and teeth intact. 9. Specimen from MacGillivray's Reef near Lizard Island, Queensland, d.d. 11 mm, papillae and two of four teeth intact (dorsalmost tooth removed, second dorsalmost broken). Scale bar 1 mm.
FIGURES 1, 2. Macrophiothrix caenosa n in A new species of Macrophiothrix (Ophiuroidea: Ophiotrichidae) common in northern Australia
FIGURES 1, 2. Macrophiothrix caenosa n. sp., holotype, disc diameter 19 mm. 1. Dorsal view. 2. Ventral view.
FIGURE 3 in Redescription and designation of a neotype for Ophiothrix angulata (Say, 1825) (Echinodermata: Ophiuroidea: Ophiotrichidae)
FIGURE 3. VariationS found in O. angulata: (A) Circular diSc (USMN 23739); (B) Ventral arm plateS in juvenileS; (C) DorSal arm plateS in juvenileS. Scale barS: A–C = 1 mm.
FIGURE 1 in Redescription and designation of a neotype for Ophiothrix angulata (Say, 1825) (Echinodermata: Ophiuroidea: Ophiotrichidae)
FIGURE 1. Morphological characterS of Ophiothrix angulata (neotype USNM E 33764, SEM imageS USMN 24338): (A) DorSal view of diSc; (B) Bifid SpineS; (C) Trifid SpineS; (D) Radial ShieldS covered by SpineS; (E) Ventral view of diSc; (F), DorSal arm plateS; (G) Ventral arm plate; (H) Lateral arm plate proximal; (I) Lateral arm plate diStal. Scale barS: A, D–F = 1 mm; B-C = 20 µm; G = 500 µm; H = 200 µm; I = 1mm.
FIGURE 2 in Redescription and designation of a neotype for Ophiothrix angulata (Say, 1825) (Echinodermata: Ophiuroidea: Ophiotrichidae)
FIGURE 2. SEM photographS of vertebra and arm SpineS of Ophiothrix angulata (USMN 24338): (A–D) Vertebrae: (A) Proximal aSpect; (B) DiStal aSpect; (C) Ventral aSpect; (D) DorSal aSpect. (E) Arm Spine. Scale barS: A–C = 200 µm; D = 100 µm; E = 500 µm.
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