Comparative study of the microtriches of adult Cestodes (Proteocephalidea: Monticelliidae), and some comments on their systematic value

A new species of Pseudocrepidobothrium (Cestoda: Proteocephalidea) from Pseudoplatystoma reticulatum (Pisces: Siluriformes) in the Paraná River basin (Argentina)

“…spinulifera Woodland, 1934; Nomimoscolex lopesi Rego, 1990;N. sudobim Woodland, 1935; Peltidocotyle rugosa Diesing, 1850; Regoella brevis Arredondo, de Chambrier et Gil de Pertierra, 2013; Spatulifer rugosa (Woodland, 1935) (see Gil de Pertierra 2005, de Chambrier et al 2006, Arredondo and Gil de Pertierra 2008; Pseudocrepidobothrium chanaorum is thus the eighth species reported from this fish host.…”

Ultrastructure of the tegument of the cestode Paraechinophallus japonicus (Bothriocephalidea: Echinophallidae), a parasite of the bathypelagic fish Psenopsis anomala

“…Scale bar, 1 mm. MacKinnon & Burt 1983;Hoberg et al 1995;Palm et al 2000;Agustı´et al 2005;Gil de Pertierra 2005). The surface of the pseudoscolex of P. japonicus presents blade-like spiniform and capilliform microtriches.…”

“…Structural variations of microtriches are mostly evident on the surface of the scolex (Lumsden & Hildreth 1983;Kuperman 1988;Jones 1998;Halton 2004; Palm 2004). The morphology and distribution of microtriches of the scolex is considered to be of phylogenetic importance and represent a potentially significant taxonomic character (Richmond & Caira 1991;Caira et al 1999; Palm 2004;Agustı´et al 2005;Gil de Pertierra 2005).Cestodes with paired attachment organs called bothria were traditionally placed in the order Pseudophyllidea. However, recent molecular studies have shown that the order is paraphyletic and consists of two unrelated assemblages (orders): Bothriocephalidea and Diphyllobothriidea (Brabec et al 2006;Kuchta 2007;Kuchta et al 2008).…”

“…Structural variations of microtriches are mostly evident on the surface of the scolex (Lumsden & Hildreth 1983;Kuperman 1988;Jones 1998;Halton 2004; Palm 2004). The morphology and distribution of microtriches of the scolex is considered to be of phylogenetic importance and represent a potentially significant taxonomic character (Richmond & Caira 1991;Caira et al 1999; Palm 2004;Agustı´et al 2005;Gil de Pertierra 2005).…”

Ultrastructural studies of the tegument and excretory system of the cestode Nematotaenia kashmirensis (Fotedar, 1966) infecting the toad Bufo regularis in Egypt.

“…The ultrastructure of microtriches can be used as a taxonomic character to be added to other characteristics (Caira and Tracy 2002;Ivanov and Brooks, 2002;Ivanov, 2004;Gil Pertierra, 2004, 2005and Žd'ãrská and Nebesárõvá, 2005.…”