Balanus patelliformis
General description:
Flattened. Dirty brown but may be tinged with violet. Orifice elongated, rhomboidal. Smooth surface but slight longitudinal folds in old specimens. Recorded up to 23 mm diameter. Thin calcareous base.
Phylogeny:
Phylum Arthropoda
Subphylum Crustacea
Class Maxillopoda Dahl, 1956
Infraorder Cirripedia Burmeister, 1834
Order Sessilia Lamarck, 1818
Family Balanidae Leach, 1806
Balanus patelliformis (Bruguière, 1789)
Distribution:
SW India to the Strait of Malacca, the Philippine archipelago to the Java Sea.
Habitat:
Typically on mangrove roots in low salinity