Middle Jurassic (Bajocian) Eastern Oregon
Middle Jurassic (Bajocian) Eastern Oregon
Middle Jurassic (Bajocian) Eastern Oregon
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PLATE 5<br />
[All figures natural size unless otherwise indicated. All specimens shown are from the Weberg Member of the Snowshoe<br />
Formation]<br />
FIGURES 1 'J -..,, Fontannesia cf. F. cvoluta (Buckman) (p. 59).<br />
Specimen, Stanford Univ. Mus. Paleontology 10018 from Vigrass'<br />
loc. 121a.<br />
4-13. Fontannesia cf. F. carinata Buckman (p. 58).<br />
4,5. Specimen, CAS 13361 from Lupher's loc. 355.<br />
6, 12. Suture line (X 2) and lateral view of specimen, CAS 13357 from<br />
Lu pher's loc. 226.<br />
7, 8. Specimen, CAS 13359 from Lupher's loc. 35:). About three-fourths<br />
of outer whorl represents body chamber.<br />
9, 11. Partial body chamber of specimen, CAS 13358 from Lupher's loc.<br />
228X.<br />
10, 13. Immature specimen, CAS 13360 from Lupher's luc. 355.<br />
14- 19. Fontannesia cf. F. luwlenta Buckman (p. 58).<br />
14-17. Suture line (X 2) (drawn at whorl height of 18.5 mm), lateral,<br />
ventral, and apertural views of specimen, CAS 13356 from Lupher's<br />
loc. 355. Figure 16 shows ventral elongation of shell.<br />
18, 19. Specimen, CAS 13355 from Lupher's loc. 355.
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