2016
DOI: 10.4067/s0718-19572016000300012
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Nueva descripción de Cossura chilensis Hartmann-Schröder, 1965 (Polychaeta: Cossuridae), de la Bahía de Valparaíso, Chile central con notas de su ecología

Abstract: Abstract.-Cossura chilensis is one of the most abundant polychaete species on soft-bottom benthic communities in central Chile. Nevertheless, it was firstly described by Hartmann-Schröder in 1965 and re-described by Carrasco in 1977; both studies with incomplete specimens. The aim of this research was to made a new description of the species in a detailed way from entire specimens using Scanning Electronic Microscopy. Cossura chilensis has a conical prostomium with a dorsal furrow and its peristomium is short … Show more

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“…14, 0.1 mm; Fig. 15, 0 Cossura pettiboneae (Ewing, 1987) Longer than wide, broadly rounded anteriorly chilensis Hartmann-Schröder, 1965, Cossura abyssalis Hartman, 1967, Cossura sima Fauchald, 1972, Cossura dayi Hartman, 1976, Cossura duplex Tamai, 1986, and Cossura consimilis Read, 2000 from Atlantic and Pacific oceans, with branchial filament in the anterior region of the third chaetiger (Reish, 1958;Read, 2000;Soto & Lemus, 2016; see Table I); differs also from Cossura soyeri Laubier, 1964, Cossura heterochaeta Orensanz, 1976, Cossura longocirrata, Cossura ginesi, Cossura pygodactylata Jones, 1956 and Cossura flabelligera Zhadan, 2017 all with branchia in the second chaetiger (Bachelet & Laubier, 1994;Zhadan, 2015; Tab. I) and from Cossura alba Hartman, 1967, Cossura dimorpha (Hartman, 1976, Cossura modica Fauchald & Hancock, 1981and Cossura pettiboneae (Ewing, 1987) with branchia in the fourth chaetiger (see Table 1 and references therein).…”
Section: Discussionmentioning
confidence: 99%
“…14, 0.1 mm; Fig. 15, 0 Cossura pettiboneae (Ewing, 1987) Longer than wide, broadly rounded anteriorly chilensis Hartmann-Schröder, 1965, Cossura abyssalis Hartman, 1967, Cossura sima Fauchald, 1972, Cossura dayi Hartman, 1976, Cossura duplex Tamai, 1986, and Cossura consimilis Read, 2000 from Atlantic and Pacific oceans, with branchial filament in the anterior region of the third chaetiger (Reish, 1958;Read, 2000;Soto & Lemus, 2016; see Table I); differs also from Cossura soyeri Laubier, 1964, Cossura heterochaeta Orensanz, 1976, Cossura longocirrata, Cossura ginesi, Cossura pygodactylata Jones, 1956 and Cossura flabelligera Zhadan, 2017 all with branchia in the second chaetiger (Bachelet & Laubier, 1994;Zhadan, 2015; Tab. I) and from Cossura alba Hartman, 1967, Cossura dimorpha (Hartman, 1976, Cossura modica Fauchald & Hancock, 1981and Cossura pettiboneae (Ewing, 1987) with branchia in the fourth chaetiger (see Table 1 and references therein).…”
Section: Discussionmentioning
confidence: 99%