. Bulletins of American paleontology. A. B Text-fig. 4 — Plate diagrams for Archaeocrinus sp. Figured specimens, UM 9265, plate diagrams conjectural, both specimens X , Decorah Shale, Bed 4 of Sardeson, Twin Cities Brick Plant, St. Paul. A. — Specimen with arms on left side of slab. B. — Dorsal cup with stem and small part of arms. 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 Paleontolo
. Bulletins of American paleontology. A. B Text-fig. 4 — Plate diagrams for Archaeocrinus sp. Figured specimens, UM 9265, plate diagrams conjectural, both specimens X , Decorah Shale, Bed 4 of Sardeson, Twin Cities Brick Plant, St. Paul. A. — Specimen with arms on left side of slab. B. — Dorsal cup with stem and small part of arms. 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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