Fig. 6

Cotylederma docens aboral element, first primibrachials; Cotylederma miliaris, first primibrachial. a–e Cotylederma docens Deslongchamps. a Aboral element with attached radial, a1 lateral view, a2 adoral view with radial facet on top and first primibrachial in radial–aboral cavity; MHNLM 2015.1.45, sample 357-12, early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). b Low radial, b1 adoral (interior), b2 distal; MHNLM 2015.1.46, sample 279-1, early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). c High radial, adoral (interior) view; MHNLM 2015.1.47, sample 357-18, early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). d First primibrachial, d1 aboral, d2 proximal with facet to radial; MHNLM 2015.1.48, sample 279-2, early Toarcian (Tenuicostatum Chronozone), Feuguerolles (Normandy). e Thick radial distal, note scratch marks; MHNLM 2015.1.49, sample 350-3, early Toarcian (Serpentinum Chronozone), Feuguerolles (Normandy). f Cotylederma miliaris Deslongchamps; first primibrachial, f1 adoral (interior), f2 proximal/aboral with granules, note small facet to adjoining ossicle and scratch marks, photo Hess; MHNLM 2015.1.50, sample 297, early Toarcian (Tenuicostatum/Serpentinum Chronozones), Feuguerolles (Normandy)