|
|
TRIPHORIDAE |
|
|
|
Nototriphora unicarinata B.A. Marshall, 1983 Description: Shell relatively small, sinistral. Protoconch large, lecithotrophic, of about 2¼ whorls with a strong smooth spiral cord and sparse, irregular axial riblets. Teleoconch whorls with 4 beaded spiral cords and axial costae; spirals 1 and 3 start immediately after protoconch, spiral 2 on 4th teleoconch whorl; spiral 4 weak, slightly exposed on all whorls. Another 2 spirals on base, smooth. Axial costae number 22 on penultimate whorl. Outer lip of aperture broken in holotype. anterior siphonal canal short. Colour uniform yellowish brown. Size: Holotype 4.15 mm in length. Distribution: Known only from holotype from 22 miles (35.3 km) east of Narrabeen, NSW, in 146 m. Figs. 1: 22 miles (35.3 km) east of Narrabeen, NSW (C.130015 HOLOTYPE). SEM Image Australian Museum |
|
