Acanthopleura echinata (Araya, Juan Francisco & Araya, Marta Esther 2015)
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Ordo: Chitonida
Familia: Chitonidae
Genus: Acanthopleura
Name
Acanthopleura echinata Barnes, 1824 – Wikispecies link – Pensoft Profile
- Acanthopleura echinata Araya, Juan Francisco, 2015, Zoosystematics and Evolution 1: 45-45.
Description
Description. Animal of very large size, up to 158 mm in examined specimens. Tegmentum smooth to shiny (but often eroded), dark reddish-brown, with occasional small blue spots. Lateral areas hardly raised, smooth except for two radial rows, one of 5-9 round granules indenting sutural edge. Anterior valve with some 10 radial rows of round granules; space between rows smooth. Central areas with raised, well-defined, smooth jugal band bordered by shallow, longitudinal grooves with short, wavy, longitudinally oriented riblets on pleural areas. Girdle upper surface with erect, strong, spike-like spines, round in cross section, up to 8 mm long in large specimens (longer if not broken), often encrusted. Girdle bridges empty (After Ferreira 1986). According to Osorio (2002) this is a dioecious species, which can reach a maximum length of 200 mm.
Distribution
Distribution. According to Ferreira (1986) this species is found from Talara, Peru (04°34'S; 81°16'W) to Punta Tumbes, Bahia de Concepcion, Chile (36°49'S; 73°03'W), and is limited to the intertidal zone and shallow subtidal, 0-4 m depth, on rocks often exposed to heavy surf.
Taxon Treatment
- Araya, Juan Francisco; Araya, Marta Esther; 2015: The shallow-water chitons (Mollusca, Polyplacophora) of Caldera, Region of Atacama, northern Chile, Zoosystematics and Evolution 1: 45-45. doi
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