. Bulletins of American paleontology. 1. Text-figure 6. — Plate diagrams for Periglyptocrinus spinuliferus, n. sp. Decorah Shale, Bed 4 of Sardeson: south St. Paul and Twin Cities Brick Plant, St. Paul. A, B. — Paratype, UM 9260b, views of A and C rays respectively, X C, D. — Holotype, UM 9260a; view of arm fragment showing immature bi- serial brachials, X ; D and E rays, X E. — Figured specimen tentatively placed in this species, UM 9260c, lateral view, X Interbrachial plates Please note that these images are extracted from scanned page images that may have been
. Bulletins of American paleontology. 1. Text-figure 6. — Plate diagrams for Periglyptocrinus spinuliferus, n. sp. Decorah Shale, Bed 4 of Sardeson: south St. Paul and Twin Cities Brick Plant, St. Paul. A, B. — Paratype, UM 9260b, views of A and C rays respectively, X C, D. — Holotype, UM 9260a; view of arm fragment showing immature bi- serial brachials, X ; D and E rays, X E. — Figured specimen tentatively placed in this species, UM 9260c, lateral view, X Interbrachial plates 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 Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]
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