. The Crinoidea flexibilia (with an atlas of and 76 plates). Crinoidea, Fossil. Ox cpMO„ - omoooo. Fig. 24. Sagenocrinus Sagenocrinidae with rays separated by interbrachial plates in wide areas. Crown elongate, ovoid to biturbinate. Infrabasals usually recumbent, taking small part in the formation of the calyx wall. Radianal obliquely under right posterior ray, more or less between basals, usually touching infrabasals. Posterior basal not materially larger than the others. Anal and interbrachial areas completely filled by numerous solid plates in more than one series. Primi- brachs two.
. The Crinoidea flexibilia (with an atlas of and 76 plates). Crinoidea, Fossil. Ox cpMO„ - omoooo. Fig. 24. Sagenocrinus Sagenocrinidae with rays separated by interbrachial plates in wide areas. Crown elongate, ovoid to biturbinate. Infrabasals usually recumbent, taking small part in the formation of the calyx wall. Radianal obliquely under right posterior ray, more or less between basals, usually touching infrabasals. Posterior basal not materially larger than the others. Anal and interbrachial areas completely filled by numerous solid plates in more than one series. Primi- brachs two. Arms dichotomous, not abutting. Column large, not expanding at the calyx. Genotype. Actinocrinites ? expansus Phillips. Distribution. Silurian; England, Gotland, and the United Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Springer, Frank, 1848-1927; Smithsonian Institution. City of Washington, Smithsonian institution
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