Fig. 33. Fossil lateral arm plates (LAPs) of ophiacanthid brittle stars in external (a) and internal (b) views. 1-3. <i>Inexpectacantha ritae</i> sp. nov. from the Hettangian (Early Jurassic) of Bourglinster, Luxembourg. 1. MnhnL HE419 (holotype), proximal LAP. 2. MnhnL HE420 (paratype), median LAP. 3. MnhnL HE421 (paratype), distal LAP. 4-6. <i>Inexpectacantha weisi</i> sp. nov. from the Hettangian (Early Jurassic) of Fontenoille, Belgium. 4. MnhnL HE425 (holotype), proximal LAP. 5. MnhnL HE426 (paratype), median LAP. 6. MnhnL HE427 (paratype), distal LAP. 7-8. <i>Inexpectacantha lunaris</i> (Hess, 1962) comb. nov. from the late Sinemurian (Early Jurassic) of Bishop’s Cleeve, Great Britain. 7. GZG. INV.78752, proximal LAP. 8. GZG.INV.78753, proximal to median LAP. 9-10. <i>Inexpectacantha acrobatica</i> Thuy, 2011 from the early Pliensbachian (Early Jurassic) of Blockley, Great Britain (9) and the early Toarcian (Early Jurassic) of Aix-sur-Cloie, Belgium (10). 9. GZG.INV.78755, proximal LAP. 10. GZG.INV.78757, juvenile proximal LAP. One common scale bar per species.
Thuy, T. 2013. Temporary expansion to shelf depths rather than an onshore-offshore trend: the shallow-water rise and demise of the modern deep-sea brittle star family Ophiacanthidae (Echinodermata: Ophiuroidea). <i>European Journal of Taxonomy</i> 48: 1-242.
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