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5 results for “Ophiothela”
FIGURE 5. Ophiactis modesta from the Persian Gulf. A, dorsal disc. B, oral frame. C, dorsal arm. D in New records of the brittle stars Ophiothela venusta and Ophiactis modesta (Echinodermata: Ophiuroidea) from the northern Persian Gulf, with morphological details
FIGURE 5. Ophiactis modesta from the Persian Gulf. A, dorsal disc. B, oral frame. C, dorsal arm. D, ventral arm. Abbreviations as in fig. 4, and DAP, dorsal arm plate, TS, tentacle scale. Scale bars in millimetre.
FIGURE 4 in New records of the brittle stars Ophiothela venusta and Ophiactis modesta (Echinodermata: Ophiuroidea) from the northern Persian Gulf, with morphological details
FIGURE 4. SEM images of Ophiothela venusta, ventral aspects. A, thick skin obscures all skeletal features. B, skin removed, exposing the skeleton, oral frame. C, ventral skeleton and radial shields from below. D, teeth and few remaining tooth papillae, oral plates. E, series of arm vertebrae, lateral aspect. AS, adoral shield, DP, dental plate, GP, genital plate, k, keel, LAP, lateral arm plate, M, madreporite, OP, oral plate, OS, oral shield, PB, podial basin of second tentacle pore, RS, radial shield, SA, spine articulation, T, tooth, TF, second tube foot, TP, tooth papillae, V, vertebra, VAP, ventral arm plate. Scale bars in millimetre.
FIGURE 3. Ophiothela venusta from the Persian Gulf. A-C in New records of the brittle stars Ophiothela venusta and Ophiactis modesta (Echinodermata: Ophiuroidea) from the northern Persian Gulf, with morphological details
FIGURE 3. Ophiothela venusta from the Persian Gulf. A-C, variation in colour pattern in preserved and dried specimens, colours have faded, and red has turned to yellow (A, B). D, specimen treated with bleach (NaOCl) to remove the outer epidermis and part of the granules, radial shields mostly exposed, ventral side still covered by translucent skin. E, skin completely removed by longer treatment with bleach (NaOCl), exposing arm vertebrae, dental plates, oral plates (jaws), genital plates and radial shields. DP, dental plate, GP, adradial genital plate, LAP, lateral arm plate, OP, oral plate, RS, radial shield, V, vertebra, VAP, ventral arm plate, TP, tooth papillae. Scale bars in millimetre.
FIGURE 1 in New records of the brittle stars Ophiothela venusta and Ophiactis modesta (Echinodermata: Ophiuroidea) from the northern Persian Gulf, with morphological details
FIGURE 1. Location of the two shipwrecks studied, an unnamed barge and "Raffaello" in the Persian Gulf, Bushehr harbour, Iran.
FIGURE 2 in New records of the brittle stars Ophiothela venusta and Ophiactis modesta (Echinodermata: Ophiuroidea) from the northern Persian Gulf, with morphological details
FIGURE 2. Live specimens of Ophiothela venusta associated with the gorgonian Euplexaura sp. A, note the high number of brittle stars (>10) and their colour variability with red–black–white bands, white–red, yellow–red and uniformly greyish–green animals. B, magnified upper right quarter of A, upper animal with wider dark blue and red bands, separated by thin white bands, lower animal with wide white and narrower red bands. Scale bars in millimetre.
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