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ACANTHOCHITONIDAE |
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Notoplax speciosa (H. Adams, 1862) Description: Girdle broad, valves relatively small and separated. Median valves with jugal ridge narrowly triangular, smooth; lateral and pleural areas not differentiated, sculptured with rows of elongate pustules. Girdle densely covered with short spicules, varying in size; sutural tufts no longer than surrounding girdle spicules. Overall colour variable from yellow to red-brown or dark brown. Size: Up to 72 mm in length. Distribution: Endemic to Australia; Jervis Bay, NSW, southwards and around southern Australia to SA, including Tas. Habitat: This species lives and feeds on sponges in the lower intertidal and below. The figured specimen is from a depth of 27 m. Comparison: This species is distinguished by the broad girdle with relatively small vales, and the short spicules over all the girdle. Also see Cryptoplax striata. Fig. 1: Cape St George, near Jervis Bay, NSW, in 27 m. (C. 151129). Fig. 2: Same specimen as Fig. 1. Valve detail, valve IV. |
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