Published February 10, 2020
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FIGURE 10 in A revision of the unusual feather star genus Atopocrinus with a description of a new species (Echinodermata: Crinoidea)
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FIGURE 10. Atopocrinus ojii new species, paratype (USNM cat. no. 1548291), SEM images, brachial ossicles. A. Br2 proximal facet; synarthry. B. Br4 distal facet; syzygy. C. Br5 distal facet with projecting pinnule articulation at left; muscular synarthry. D. Br6 distal facet with pinnule articulation at upper right, muscular synarthry. E. Lateral view of D; proximal articulation to lower left. F. Enlargement of lateral surface of E. G. Middle brachial with pinnule articulation at upper left, distal facet; muscular synarthry. H. Middle brachial with pinnule articulation at right; ambulacral view. I. Middle brachial, proximal facet; syzygy. Scale bars: A, B, D–I—1 mm; C—500 µm.