Fig. 2
From: Gondwanan cyrtocrinids uncover hidden diversity and crinoid dispersal pathways
Gondwana cyrtocrinids from Algeria and Peru. Scale bar equals 1 mm. Collection acronyms LGEE-AS and GIUS. (a, b) Phyllocrinus stellaris Zaręczny, cups, oblique view (a), facet to stem (b). Oxfordian, Algeria. (c) Apsidocrinus sp., cup, oblique view (c1), lateral view (c2). Oxfordian, Algeria. (d–i) Tetracrinus moniliformis Münster, in Goldfuss, basal rings, distal view, (d); lateral view, (e); columnal, articular facet, (f); pluricolumnal, lateral view, (g); brachials, adoral view, (h); articular face, (i). Callovian, Algeria. (j) Sclerocrinidae?, columnal, articular face (j1), lateral view (j2). Coniacian–Santonian, Peru.
