. Breviora. 1986 THELODUS MACINTOSH I. Figure 2. Isolated scales from nodule PF 9603 from horizon B of Denison, Cunningham's Brook, Nerepis, New Brunswick. A) T. parvidens, lateral view show- ing neck riblets, PF ; B) T. parvidens, ventral view, PF ; C) T. bicos- tatus, dorsal view of broken crown, PF ; D) T. trilobatus, ventral and dorsal views, PF ; E) T. trilobatus, lateral and dorsal views, PF ; F) T. trilobatus, dorsal view of smooth crown, PF ; G) T. trilobatus, lateral and ventral views, PF Please note that these images are extracted from sca


. Breviora. 1986 THELODUS MACINTOSH I. Figure 2. Isolated scales from nodule PF 9603 from horizon B of Denison, Cunningham's Brook, Nerepis, New Brunswick. A) T. parvidens, lateral view show- ing neck riblets, PF ; B) T. parvidens, ventral view, PF ; C) T. bicos- tatus, dorsal view of broken crown, PF ; D) T. trilobatus, ventral and dorsal views, PF ; E) T. trilobatus, lateral and dorsal views, PF ; F) T. trilobatus, dorsal view of smooth crown, PF ; G) T. trilobatus, lateral and ventral views, PF 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. , Museum of Comparative Zoology, Harvard University


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