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Fig. 14 | Swiss Journal of Palaeontology

Fig. 14

From: Asteroidea (Echinodermata) from the Oxfordian (Late Jurassic) of Savigna, Départment du Jura, France

Fig. 14

Plumaster sp. nov. ae SEM images of ossicles, stenocycloides Subzone, Late Oxfordian, 2b horizon, Savigna. f Early Oxfordian, Q. mariae Zone, Rouges Terres, Switzerland. a Abactinal ossicle; note boss and platform-like areole for articulation and muscle insertion of spine (BMNH EE 13978). b, c Ambulacral ossicles in actinal aspect (EE 13950-1). d Proximal adambulacral in abactinal aspect (EE 13952). e Distal adambulacral in actinal aspect (EE 13953). f Proximal adambulacral in actinal view (EE 13954). a ×35, bf ×15

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