A new species of Paraonis and an annotated checklist of polychaetes from mangroves of the Brazilian Amazon Coast (Annelida, Paraonidae)

• Published in: ZooKeys Vol. 740; no. 740; pp. 1 - 34
• Main Authors: Ribeiro, Rannyele Passos, Alves, Paulo Ricardo, de Almeida, Zafira da Silva, Ruta, Christine
• Format: Journal Article
• Language: English
• Published: Bulgaria Pensoft Publishers 27-02-2018
• Subjects: Exogone; Identification and classification; Mangroves; Namalycastis; New species; Paraonis; Polychaetes; Zoology; Brazil; Maranhão; new records; mangrove; taxonomy; Paraonis; annelid
• ISSN: 1313-2989; 1313-2970
• DOI: 10.3897/zookeys.740.14640

The polychaete fauna from the mangroves of the Amazon Coast in Maranhão state, Brazil, is reported in this study. Fourteen species are listed, namely
(Leuckart, 1847); Arabella (Arabella) iricolor Montagu, 1804;
(Fabricius, 1780) complex; Exogone (Exogone) breviantennata Hartmann-Schröder, 1959;
(Claparède, 1864);
Müller, 1858;
Hartman, 1944;
Nageswara Rao, 1981;
(Gravier, 1901);
(Saint-Joseph, 1901);
Perkins, 1980;
;
(Hartman, 1945); and
Müller, 1858. Among them,
and
are recorded for the first time in Brazil.
is a new species for science, characterized by a rounded prostomium, 4-8 pairs of foliaceous branchiae, absent eyes, and two types of modified neurochaetae, acicular and hook-shaped.