File:Ophiuroidea (10.5852-ejt.2021.766.1483) Figure 2.png

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English: Fig. 2. SEM images of various brittle star ossicles. A–E. Disc structures. A. Dorsal disc, radial shield with tubercles (Ophiomusa lymani (Wyville-Thomson, 1873)). B. Dorsal disc (Ophiolimna bairdi (Lyman, 1883)). C. Ventral disc (Ophionereis porrecta Lyman, 1860), the interradius is assumed as a triangle and H gives its height. D. Dorsal disc, triangular radial shield (Ophiactis savignyi (Müller & Troschel, 1842)). E. Ventral disc, mouth (Ophioderma sp.). – F–H. Atypical arm spines. F. Umbrella-shaped arm spine (Ophiotholia spathifer (Lyman, 1879)). G. Hook-shaped arm spine (Asteronyx loveni Müller & Troschel, 1842). H. Bristle spines (Ophiernus vallincola Lyman, 1878). – I–L. Lateral arm plates (LAP). I. LAP with constriction (Ophioscolex glacialis Müller & Troschel, 1842). J. Dorsal and ventral part of LAP without constriction (Ophiura ophiura (Linneaus, 1758)). K. Ventral part of LAP projecting ventro-proximalwards (Ophiopallas paradoxa Koehler, 1904). L. Ventral part of LAP not projecting ventro-proximalwards (Ophiosphalma fimbriatum (Koehler, 1922)).
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Source https://doi.org/10.5852/ejt.2021.766.1483
Author Goharimanesh, M., Stöhr, S., Mirshamsi, O., Ghassemzadeh, F., & Adriaens, D. (2021). Interactive identification key to all brittle star families (Echinodermata; Ophiuroidea) leads to revised morphological descriptions. European Journal of Taxonomy, 766(1), 1-63.
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current04:51, 6 May 2022Thumbnail for version as of 04:51, 6 May 20221,879 × 1,770 (3.29 MB)Christian Ferrer (talk | contribs){{Information | description = {{en|1=Fig. 2. SEM images of various brittle star ossicles. A–E. Disc structures. A. Dorsal disc, radial shield with tubercles (''Ophiomusa lymani'' (Wyville-Thomson, 1873)). B. Dorsal disc (''Ophiolimna bairdi'' (Lyman, 1883)). C. Ventral disc (''Ophionereis porrecta'' Lyman, 1860), the interradius is assumed as a triangle and H gives its height. D. Dorsal disc, triangular radial shield (''Ophiactis savignyi'' (Müller & Troschel, 1842)). E. Ventral disc, mouth...

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