Acanthochitona fascicularis. 36mm long. Girdle flesh pale ochre (round base of tufts and dorsally between valves), mostly concealed by pale brown felt of small spines. Tufts jade-green. July 2012. Split, Croatia.

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. 30.5mm long. Girdle flesh yellowish (round base of tufts and dorsally between valves), mostly concealed by light and dark brown felt of small spines. Tufts greenish brown. July 2012. Split, Croatia.

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. Length 53mm. Large worn specimen with green algal growth. Girdle flesh white (round base of tufts and dorsally between valves), mostly concealed by brown/yellow felt of small spines. Tufts yellow. July 2012. Split, Croatia.

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. Tuft of 2mm long transparent bristles tinted gold. Girdle covered in 0.5mm long black spines and denser 0.01-0.015mm long brownish spines (too small to see individually in image). July 2012. Split, Croatia.

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. Tufts of bristles about 2mm long; transparent, sometimes colourless, often tinted shades of yellow, brown, pink, magenta or green for part or all their length. Girdle flesh visible at base of two at bottom left. 2012. Croatia.

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. Valves 1(head), 2 & 3. Valve granules: crowded, minute, circular, evenly distributed; except on dorsal keel: longitudinally arranged ridges and grooves. Apex of keel ‘V’ points to rear. July 2012. Split, Croatia.

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. 49mm long. Mantle cavity paler than girdle. Gills, visible on left of animal, occupy only rear half of cavity; “merobranch” arrangement. Mouth for grazing algae, stained green, occupies most of head. July 2012. Split, Croatia

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. 49mm long animal. Seventeen gills visible in pale mantle cavity on left side of chiton. Number varies with age. July 2012. Split, Croatia.

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. Length 53mm. Underside of yellow girdle darkened by many small spicules. Mantle cavity pale. Gills only in rear half of cavity; “merobranch”. Large mouth stained green. Foot like elongated limpet foot. July 2012. Split, Croati

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

Acanthochitona fascicularis. 41mm long; 38mm when contracted. Girdle flesh whitish (round base of tufts and dorsally between valves), mostly concealed by pale brown felt of small spines. Tufts blue-green. July 2012. Split, Croatia

Species

Acanthochitona fascicularis

Photographer / copyright holder

J. Prkić

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