File:American malacological bulletin (1987) (18153048692).jpg

Title: American malacological bulletin
Identifier: americanmal4519861987amer (find matches)
Year: 1983 (1980s)
Authors: American Malacological Union
Subjects: Mollusks; Mollusks
Publisher: (Hattiesburg, Miss. ?) : (American Malacological Union)
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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WILLAN: PHYLOGENETIC SYSTEMATICS OF NOTASPIDEA 223
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Figs. 9-16. Scanning electron micrographs of protoconchs of notaspidean shells. Fig. 9. Tylodina corticalis (Tate): dorsal view; specimen from 18 m, Julian Rocks, east of Cape Byron, northern New South Wales, Australia; 23° tilt; bar = 200 ^m. Fig. 10. T. corticalis: view from top left showing detail of sinistral coiling; same specimen as in Fig. 9; 47° tilt; bar = 100 ^m. Fig. 11.7. corticalis: left profile; same specimen as in Fig. 9; 84° tilt; bar = 100 ^m. Fig. 12. Umbraculum umbraculum (Lightfoot): left profile showing protoconch and teleoconch of juvenile shell; specimen from Byron Bay, northern New South Wales, Australia (Australian Museum, Sydney, Reg. No. C5279); 90° tilt; bar = 1 mm. Fig. 13. U. umbraculum: left profile showing detail of sinistral coiling; specimen from Port Jackson, New South Wales, Australia (Museum of Victoria, Reg. No. F11424); 91° tilt; bar = 400 ;<m. Fig. 14. U. umbraculum: view from the rear; same specimen as in Fig. 12; 90° tilt; bar = 400 ^m. Fig. 15. Berthella pellucida (Pease): dorsal view showing profile of protoconch; specimen from intertidal reef, Moreton Bay, southern Queensland; 0° tilt; bar = 200 nm. Fig. 16. B. pellucida: view from posterior right showing detail of dextral coiling; same specimen as in Fig. 15; 45° tilt; bar = 200 ^m.

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