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Fig. 1. Dorsal disc shapes and radial shields in brittle stars as defined for the purpose of this study. A. Flat (Ophioderma sp.). B. High, with bar-like radial shields (Asteronyx loveni Müller & Troschel, 1842 (dry specimen)). C. Sac-like, radial shields absent (Ophiotholia spathifer (Lyman, 1879)). D. Thick skin obscuring scales and plates (Ophiosparte gigas Koehler, 1922). E. Flat, radial shield scalene triangular to half circle (Amphiura chiajei Forbes, 1843). F. Arm combs, radial shields isosceles triangular to pearshaped (Ophiura ophiura (Linnaeus, 1758)).
Published as part of Goharimanesh, Mona, Stöhr, Sabine, Mirshamsi, Omid, Ghassemzadeh, Fereshteh & Adriaens, Dominique, 2021, Interactive identification key to all brittle star families (Echinodermata; Ophiuroidea) leads to revised morphological descriptions, pp. 1-63 in European Journal of Taxonomy 766 (1) on page 8, DOI: 10.5852/ejt.2021.766.1483, http://zenodo.org/record/5514587
Animalia, Biodiversity, Ophiuroidea, Taxonomy, Echinodermata
Animalia, Biodiversity, Ophiuroidea, Taxonomy, Echinodermata
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