Cingulina sp. #1
|Maximum size: 8 mm shell length (Kay,
species has an elongate conical shell with three prominent, smooth
cords on each whorl. There is a single fold on the columella. It differs from Oscilla indica in it's larger size and in having four rather than six cords on the final whorl.
of Cingulina sp. #1 have been found in highly protected sites on Oahu such as Kaneohe Bay and Pearl Harbor. (Kay,
Taxonomic notes: Kay, 1979 treats this species as a form of Oscilla indica (listed as Hinemoa indica).
However, the presence of only four cords on the final whorl, larger
size and different habitat place it in Cingulina. (John van Aartsen, pers. com.) It's illustrated as Hinemoa indica in Fig. 32 of Kay, 1979.
Photo: CP: 4.9 mm: sand sample, 1-3 m (3-10 ft), Kaneohe Bay, Oahu; Oct. 3, 1998.
Observations and comments:
1: ( )