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| barnacles text index | photo index |
| Phylum Arthropoda > Subphylum Crustacea > Class Cirripedia |
| Star
barnacle Chthamalus sp.* Family Chthalamidae updated Mar 2020 Where seen? This little starry barnacle is sometimes seen on some of our shores. Usually found in small groups, in higher areas where it is too dry for acorn barnacles (Balanus sp.). They were formerly known as Chthamalus. Features: 0.5-1cm across. The outer shell is rather flat, made up of several wall plates that form star-like rays where attached to the rock. The operculum is beak-like and protrudes from the shell opening. They are often found close to one another, so much so that the 'shells' of individual animals seem to merge together. |
 Tanah Merah, May 05  |
 Sisters Island, Jul 06  |
 East Coast, Jun 06  |
*Species are difficult to positively identify without examination of internal parts.
On this website, they are grouped by external features for convenience of display.
| Star barnacles on Singapore shores |
On wildsingapore
flickr
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| Other sightings on Singapore shores |
 Sembawang, Oct 20 Photo shared by Vincent Choo on facebook. |
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