Conopea calceola   (Ellis,  1758) (Barnacle)
Organism information awaits expert curation
Class: Maxillopoda

Image copyrights: Ocean Science and Technology Cell, CUSAT, Kochi

Size: Basal diameter 11 mm, height 10.5 mm

Color: Parietes purplish red with longitudinal lines and white transverse lines; radii and rostrum white.

The shell is elongated in its rostro-carinal axis. The basis at the carinal end is produced downwards into a fine point.

Shell: Parietes porous, the longitudinal septa of the tubes denticulated; basis porose and having a deep furrow on the underside. Scutum with the basitergal corner rounded, with the articular ridge feebly developed and the adductor ridge completely absent. Tergum with broad spur, one third of the width of the valve and the lower margin gradually rounded. The number of segments in the anterior and posterior rami of the cirri is as follows:
I cirrus- 17, 11; II cirrus-13, 13; III cirrus-17, 11; IV cirrus-24, 24; V cirrus 24, 24; VI cirrus- 26, 26

Each segment of the fourth to the sixth cirri bears as its anterior margin two pairs of long spines and another pair of comparatively shorter spines.

Mouth parts: Labrum with a notch and three teeth on either side.
Mandible 5 toothed.

Inner maxilla: Between the two long pairs at the apex and the base there are 4 pairs of smaller spines.

Synonym (s)
Balanus calceolas Ellis, 1758
Conopea calceola (Ellis, 1758)
Balanus calceola Darwin, 1854
Balanus calceola Weltner, 1897
Balanus calceola Gruvel, 1903
Balanus calceola Hoek, 1913
Balanus calceola Pilsbry, 1916
Balanus calceola Nilsson-Cantell, 1928
Balanus calceola Hiro, 1937
Balanus calceola Stubbings, 1963
Balanus calceola Utinomi, 1962
Balanus calceola Daniel, 1955

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Tuticorin INDIA

Literature Source(s)
  • Fernando, SA (2006) Monograph on Indian Barnacles Ocean science and technology Cell, Kochi 9-199 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-07-05

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