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Redescription and phylogenetic analyses of Durchoniella spp. (Ciliophora, Astomatida) associated with the polychaete Cirriformia tentaculata (Montagu, 1808) ArchiMer
Sauvadet, Anne-laure; Lynn, Denis H.; Roussel, Erwan; Le Panse, Sophie; Bigeard, Estelle; Schrevel, Joseph; Guillou, Laure.
Microscopic and phylogenetic analyses were performed on endocommensal astome ciliates retrieved from the middle intestine of a marine cirratulid polychaete, Cirriformia tentaculata, collected in the bay of Roscoff (English Channel, Northwest French coast) and on the Southwest English coast. Three morphotypes of the astome genus Durchoniella were identified, two corresponding to described species (the type species Durchoniella brasili (Léger and Duboscq, 1904) de Puytorac, 1954 and Durchoniella legeriduboscqui de Puytorac, 1954) while a third morphotype remains undescribed. Their small subunit (SSU) rRNA gene sequences showed at least 97.2% identity and phylogenetic analyses grouped them at the base of the subclass Scuticociliatia (Oligohymenophorea), as a...
Tipo: Text Palavras-chave: Astomatida; Ciliophora; Cirratulidae; Endocytoplasmic bacteria; Microscopy; Molecular phylogeny.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00392/50312/50990.pdf
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Two new species of Caulleriella (Polychaeta, Cirratulidae) from Argentina Iheringia, Sér. Zool.
Elías,Rodolfo; Rivero,María S..
Caulleriella bremecae and C. galeanoi (Polychaeta: Cirratulidae) are newly described from Mar del Plata, Argentina (38ºS, 57ºW). Both species have small, red-pigmented nuchal organs (lateral "eyes") on the prostomium. Caulleriella bremecae sp. nov. is further characterized by a peristomium without annulations except for a narrow anterior dorsal fold, posterior part of peristomium extending posterodorsally over chaetiger 1, latter extending posterodorsally over chaetiger 2 and with slightly separated grooved palps arising middorsally; notochaetae of chaetigers 1-23 all smooth capillaries, thereafter with six bidentate sigmoid hooks and 3-4 capillaries, both types fewer on last 4-5 chaetigers; neurochaetae of chaetigers 1-2 comprised of 8 bidentate hooks and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Polychaeta; Cirratulidae; Caulleriella new species; Mar del Plata; Argentina.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212008000200010
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