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Distal cirrus (mm scale).
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Middle cirrals, close-up.
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Antedon angustipinna Carpenter, 1888, holotype, Natural History Museum, London (NHM) cat. no. 88.11.9.54, genital pinnule (P2).
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Retiometra alascana A. H. Clark, 1936, holotype, National Museum of Natural History, Washington, D.C. (USNM) cat. no. E1141, lateral view, close-up.
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Retiometra alascana A. H. Clark, 1936, holotype, National Museum of Natural History, Washington, D.C. (USNM) cat. no. E1141, entire specimen, lateral view.
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Retiometra alascana A. H. Clark, 1936, holotype, National Museum of Natural History, Washington, D.C. (USNM) cat. no. E1141, distal portion of detached cirrus.
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Retiometra alascana A. H. Clark, 1936, holotype, National Museum of Natural History, Washington, D.C. (USNM) cat. no. E1141, proximal pinnules.
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Malavatuan Island, southern Luzon, Philippines Centrodorsal with cirri; ray base with division series.
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Malavatuan Island, southern Luzon, Philippines Mid-distal cirru with spines.
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Malavatuan Island, southern Luzon, Philippines Proximal latteral view of arm base with long proximal pinnule, P1.
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Malavatuan Island, southern Luzon, Philippines Proximal brachials--lateral view.
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Malavatuan Island, southern Luzon, Philippines Proximal arm side and pinnules viewed laterally.
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Malavatuan Island, southern Luzon, Philippines Distal brachials viewed laterally.
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Centrodorsal with cirri, ray bases with division series and arm bases.
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Division series with irregular brachial margins.
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Cirrus.
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Proximal arm and pinnules.
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Proximal arm with basal pinnules.
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Portion of lateral view of middle arm with pinnules.
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Distal portion of arm with pinnules in lateral view.
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Malay Archipelago, Indonesia Centrodorsal with cirri and division series of adjacent basal ray.
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Malay Archipelago, Indonesia Proximal cirri with spines.
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Malay Archipelago, Indonesia Distal cirrals with aboral/dorsal spines.
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Malay Archipelago, Indonesia Lateral view of cirrus and division series and arm base with pinnules.