Fig. 8 | Swiss Journal of Palaeontology

Fig. 8

From: Emergence and early radiation of cyrtocrinids, with new species from a Lower to Middle Jurassic rock reef of Feuguerolles (Normandy, France)

Fig. 8

Eudesicrinus mayalis, cups with basal elements. af Eudesicrinus mayalis (Deslongchamps). a Symmetric juvenile cup fused to low basal element (arrows); MHNLM 2015.1.55, sample 357-13 early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). b Asymmetric juvenile cup fused to basal element, b1 lower side, attachment to substrate by two circular facets at left, b2 distal, two low radials lack articular facet; MHNLM 2015.1.56, sample 357-11, early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). c Oblique distal view of post-juvenile cup; MHNLM 2015.1.57, sample 358-1, early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). d Radial circlet fused to skew basal element, d1 distal view showing large radial, d2 lateral; MHNLM 2015.1.58, sample 358-5, early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). e Cup (radial circlet) separated from basal element, e1 distal facet with large radial, e2 proximal facet connecting to basal element by ridges; MHNLM 2015.1.59, sample 358-2, early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). f Large cup (radial circlet separated from basal element), f1 distal, f2 proximal with concave facet to basal element; MHNLM 2015.1.60, sample 425-5, middle Toarcian (Bifrons Chronozone), Feuguerolles (Normandy)

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