. Bulletins of American paleontology. Alaskan ammonites, Pt. II: Westermann 83 80 70 60 50 40 1- 30 20 10 5 - 3 -. 30 % U 20 %U 10 %U body ch phrogm. —o— —•— holotype (H) + topotypes —?— var {subsp?)ogu//on/o, types —a— J L 15 20 50 100 150 200 300 D(mm) Text-fig. 26. — Scatter with growth lines for relative umbilical width (U:D) of Eudmetoccras (Euaptctoceras) amplcctcns (Buckman), for compari- son of the type specimens from England with the sample from the E. amplec- tens zonule of Wide Bay and 'WitcheU'ial aguiloTiia' Imlay [= of E. amplcctcns^ from the O. sauzci Zone of souther
. Bulletins of American paleontology. Alaskan ammonites, Pt. II: Westermann 83 80 70 60 50 40 1- 30 20 10 5 - 3 -. 30 % U 20 %U 10 %U body ch phrogm. —o— —•— holotype (H) + topotypes —?— var {subsp?)ogu//on/o, types —a— J L 15 20 50 100 150 200 300 D(mm) Text-fig. 26. — Scatter with growth lines for relative umbilical width (U:D) of Eudmetoccras (Euaptctoceras) amplcctcns (Buckman), for compari- son of the type specimens from England with the sample from the E. amplec- tens zonule of Wide Bay and 'WitcheU'ial aguiloTiia' Imlay [= of E. amplcctcns^ from the O. sauzci Zone of southern Alaska. Note the morpho- genetic change and the great similarity of the three "samples" with the pos- sible exception of adult phragmocones; however, the holotype of E. amplcctcns is probably an involute variant. 1963. Euaptctoceras amplcctcns (Buckman), Elmi ( France), Trav. Labor. Geol. Lyon, p. 72, pi. 10, figs, la, b. 1964. Eudmetoccras amplcctcns Buckman, Sapunov (Bulgaria), Trav. Geol. Bulg., ser. Paleont., vol. 6, p. 261, pi. 1, figs, la, b, pi. 3, figs, la, b. 1964. Eudmetoccras amplcctcns (Buckman), 1886 [error for 1889], Wester mann (Wide Bay), Bull. Amer. Paleont., vol. 47, No. 216, p. 417, pi. 67, figs. 2a-c; pi. 68, figs, la-c; text-figs. 28, 29. 1964. IFitc/icllia? aguilonia Imlay n. sp., Imlay (Alaska), Geol. Sur., Prof. Pap. 418-B, p. B35, pi. 4, fig. 9, pi. 5, figs. 4, 7-9. (?)1964. fVitc/icllia? aff. aguilonia Imlay n. sp., Imlay, id. ac, p. B36, pi. 4. figs. 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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