File:Ophiura leptoctenia (10.1371-journal.pone.0139463) Figure 20.jpg

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English: Fig 20. Main stages of the development of Ophiura leptoctenia H.L. Clark, 1911 (family Ophiuridae), a series from the locality in Okhotsk Sea (sta. 79).
A, C, E, development of the dorsal disk characters. A, adult specimen, 10 mm disk diameter, primary plates occupy a restricted area within the disk (ZMMU D–1051); C, juvenile specimen, 2 mm disk diameter, primary plates occupy a considerable area of the disk (ZMMU D–1051), SEM; E, early postlarval specimen, 1 mm disk diameter, primary plates occupy whole dorsal disk area (ZMMU D–1051), SEM; B, D, F, development of the ventral oral characters, SEM. B, adult specimen, 10 mm disk diameter, all oral papillae are spiniform, 2–3 adoral shield papillae; D, juvenile specimen, 2 mm disk diameter, both spiniform and block-shaped oral papillae present, 2 pairs of adoral shield papillae; F, early postlarval specimen, 1 mm disk diameter, only pair of block-shaped oral papillae present, and pair of adoral shield papillae. ap, adoral shield papillae; as, adoral shields; cpp, central primary plate; dp, dental plate; j, jaws; rpp, radial primary plates; op, oral papillae; os, oral shield; th, teeth. Scales bars, 0.1 mm (E, F), 0.3 mm (B, D), 1 mm (C), 5 mm (A).
Date
Source https://dx.doi.org/10.1371%2Fjournal.pone.0139463
Author Martynov, A., Ishida, Y., Irimura, S., Tajiri, R., O’Hara, T.D., Fujita, T. 2015. When Ontogeny Matters: A New Japanese Species of Brittle Star Illustrates the Importance of Considering both Adult and Juvenile Characters in Taxonomic Practice. PLoS ONE. 10(10): e0139463.
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current12:21, 14 April 2020Thumbnail for version as of 12:21, 14 April 20202,054 × 2,542 (3.33 MB)Christian Ferrer{{Information | description = {{en|1=Fig 20. Main stages of the development of ''Ophiura leptoctenia'' H.L. Clark, 1911 (family Ophiuridae), a series from the locality in Okhotsk Sea (sta. 79). :A, C, E, development of the dorsal disk characters. A, adult specimen, 10 mm disk diameter, primary plates occupy a restricted area within the disk (ZMMU D–1051); C, juvenile specimen, 2 mm disk diameter, primary plates occupy a considerable area of the disk (ZMMU D–1051), SEM; E, early postlarval sp...

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