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File:Ophiacanthidae (10.5852-ejt.2013.48) Figure 25.jpg

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English: Fig. 25. Fossil skeletal plates and articulated arm fragments of ophiacanthid brittle stars; lateral arm plates (LAPs) in external (a) and internal (b) views. 1-3. Alternacantha dilionessa sp. nov. from the early Kimmeridgian of the Pointe du Chay, France. 1. GZG.INV.78666 (paratype), arm spine. 2. GZG. INV.78667 (paratype), median arm fragment in ventral view. 3. GZG.INV.78668 (paratype), proximal arm fragment in lateral (a) and dorsal (b) views. 4-5. Dermocoma subtilirugosa (Kristan-Tollmann & Gramann, 1992) comb. nov. from the Rhaetian (Late Triassic) of Fischerwiese, Austria. 4. GZG.INV.78671, proximal LAP. 5. GZG.INV.78672, median LAP. 6. Dermocoma sp. nov. innom. 1 from the Rhaetian (Late Triassic) of Fischerwiese, Austria; GZG.INV.78674, median LAP. One common scale bar per species except for 1.
Date
Source https://dx.doi.org/10.5852/ejt.2013.48
Author 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). European Journal of Taxonomy 48: 1-242.
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current17:40, 5 June 2020Thumbnail for version as of 17:40, 5 June 20201,890 × 2,557 (2.06 MB)Christian Ferrer{{Information | description = {{en|1=Fig. 25. Fossil skeletal plates and articulated arm fragments of ophiacanthid brittle stars; lateral arm plates (LAPs) in external (a) and internal (b) views. 1-3. ''Alternacantha dilionessa'' sp. nov. from the early Kimmeridgian of the Pointe du Chay, France. 1. GZG.INV.78666 (paratype), arm spine. 2. GZG. INV.78667 (paratype), median arm fragment in ventral view. 3. GZG.INV.78668 (paratype), proximal arm fragment in lateral (a) and dorsal (b) views. 4-5...

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