Cirsotrema ernestoilaoi
Garcia E., 2001
Description:
Dimensions range from 18.9 mm - 20.3 mm high and 8.1 mm wide.
Width to height ratio: 0.43:1 ~ 0.4:1
Shell: turreted; solid; small to moderately small. Exterior colour white. About 8 whorls, tabulated and excavated on shoulder; protoconch unknown. Suture obscured by ornamentation. Umbilicate: a pseudoumbilicus created by posterior edge of aperture. Approximately 23 costae on the body whorl. Occasional varix appearing randomly on the shell. Intercostal spaces with microscopic, uneven striae. Base with heavy ridge. Aperture round; peristome continuous, thick. Operculum black, round, paucispiral.
Distribution:
Western Mindanao Sea from Balicasag Island to northern Mindanao, southern Philippine Islands
Habitat:
muddy sand, 240-380m
Etymology:
named for Mr. Ernesto Ilao.
Type Material:
Holotype: ANSP 407854 for Cirsotrema ernestoilaoi Garcia E., 2001 - Locality: off Aliguay Island, northwest of Dipolog, Mindanao, Philippines, collected by bamboo trawler in 240 m, in muddy sand.. [Brown, L. & Neville, B.D., 2015]
arsint.com (2023).
Cirsotrema ernestoilaoi
Distribution
as listed in source literature
Garcia, E. F. (2001).
pp: 113. Fig. 1c.
Cirsotrema ernestoilaoi n. sp.
Aliguay Island, northern Mindanao, Philippine Islands.
Holotype: ANSP 407854
L 18.9 mm, W 8.1 mm
c) enlargment showing sculpture.
pp: 113. Fig. 1a-c.
Cirsotrema ernestoilaoi n. sp.
Aliguay Island, northern Mindanao, Philippine Islands.
Holotype: ANSP 407854
L 18.9 mm, W 8.1 mm
a) dorsal view
b) ventral view
arsint.com (2023).