. Conodont ultrastructure : the subfamily Acanthodontinae. Conodonts. Fig. 3 A-D. Ecolopodiis gracilis Ethington and Clark. A. Lateral view. Note wide, broad carinae and fine, indistinct striations, X 185. ROM 30587 B. Transverse section through S. gracilis, showing a band of white matter extend- ing from the posterior groove to the anterior edge, and the internal extension of coarse striae from the posterior groove (as radial lamellae), X 700. ROM 30588 c. Transverse section, lower in the same specimen illustrated in Fig. 3b, showing the enlarged growth axis (hole) and radial lamellae near th
. Conodont ultrastructure : the subfamily Acanthodontinae. Conodonts. Fig. 3 A-D. Ecolopodiis gracilis Ethington and Clark. A. Lateral view. Note wide, broad carinae and fine, indistinct striations, X 185. ROM 30587 B. Transverse section through S. gracilis, showing a band of white matter extend- ing from the posterior groove to the anterior edge, and the internal extension of coarse striae from the posterior groove (as radial lamellae), X 700. ROM 30588 c. Transverse section, lower in the same specimen illustrated in Fig. 3b, showing the enlarged growth axis (hole) and radial lamellae near the posterior margin, X 550. D. Enlargement of Fig. 3c, showing radial lamellae composed largely of incipient white matter and surficial outline of the coarse striae, X 2600. 16. 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 Barnes, Christopher R; Slack, D. J; Royal Ontario Museum. Toronto : Royal Ontario Museum
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