Ultrastructural redescription ofChordodes moraisi(Carvalho, 1942) andChordodes straviarskiiCarvalho and Feio, 1950, and re‐interpretation ofChordodes gestriCamerano, 1904 andPseudochordodes griffinii(Camerano, 1898) (Gordiida, Nematomorpha)

Abstract

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Revision of the genusChordodes(Gordiida, Nematomorpha) from Africa—I. Ultrastructural redescription ofChordodes gariazziCamerano, 1902,C. heinzeiSciacchitano, 1937,C. kolensisSciacchitano, 1933,C. muelleriSciacchitano, 1937, andC. ruandensisSciacchitano, 1937

“…types of crowned areole (as types 5 and 7 of C. kolensis and as types 3 and 5 of C. muelleri), crowned areoles with short filaments distributed over the whole cuticle and crowned areoles with long filaments that only occur on each side along the ventral midline. The polymorphism of crowned areoles limited to the dorsal or dorsal and ventral groove in females has been noted before for South American species of Chordodes (Camerano 1897;Carvalho 1946;Carvalho and Feio 1950;De Villalobos and Zanca 2001;De Villalobos et al 2004a, 2004bDe Villalobos and Zanca 2005)…”

Sexual size dimorphism, sex ratio and the relationship between seasonality and water quality in four species of Gordiida (Nematomorpha) from Catamarca, Argentina

“…The morphology and taxonomy of Gordiida are well known (Camerano, 1897; Schmidt-Rhaesa, 1997; De Villalobos et al , 2004, 2006, 2008; De Villalobos & Zanca, 2005; Schmidt- Rhaesa et al , 2008), as are their life cycles (De Villalobos & Ronderos, 2003; De Villalobos et al , 2003; Hanelt & Janovy, 2003, 2004; Schmidt-Rhaesa et al , 2005; Zanca et al , 2007) and distribution (Miralles & De Villalobos, 1993a, b). However, this is not the case for their general ecology and few studies on seasonality in these animals have been published.…”