By Helmut Berger
This e-book is the 3rd of six volumes which assessment the Hypotricha, an enormous crew of the spirotrichous ciliates. it's concerning the Amphisiellidae, the Trachelostylidae, and a few genera of unknown place within the Hypotricha. extra, it contains supplementations to the Oxytrichidae and the Urostyloidea.
The Amphisiellidae are characterized by means of a roughly exact ventral dossier, termed amphisiellid median cirral row. They produce their frontal-ventral-transverse cirri from six anlagen, a function taken over from the floor development of the Hypotricha. Trachelostyla, the eponymous kind of the Trachelostylidae, is an 18-cirri hypotrich, which lacks – just like the amphisiellids – dorsomarginal kineties. the inability of those kineties shows that either taxa department off fairly early within the hypotrich tree. The middle amphisiellids (e.g., Amphisiella, Spiroamphisiella) and the trachelostylids are restrained to marine habitats. in contrast, the opposite genera reviewed during this quantity (e.g., Lamtostyla, Hemisincirra) are regularly terrestrial. a complete of 89 species, allotted in 27 genera, are revised intimately, that's, just about all morphological, ontogenetic, faunistic, and ecological information, scattered in nearly six hundred papers are summarised. With the monographs of the Oxytrichidae, the Urostyloidea, and the Amphisiellidae and Trachelostylidae the scientist can establish greater than 410 species of hypotrichs. The treatise bargains taxonomists, cellphone biologists, ecologists, molecular biologists, and practitioners an intensive and up to date evaluation approximately this hugely attention-grabbing staff of ciliates.
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Extra resources for Monograph of the Amphisiellidae and Trachelostylidae (Ciliophora, Hypotricha)
2003). Non-Dorsomarginalia, that is, hypotrichs branching off outside the Dorsomarginalia have only three layers; the same is true for Diophrys (Walker & Maugel 1980, Gutiérrez et al. 2003). , Euplotes) and many taxa outside the spirotrichs, have only two layers, strongly indicating the last common ancestor of the hypotrichs had the plesiomorphic number of three layers. , Agatha & Strüder-Kypke 2007). Perilemma present. , Laval-Peuto 1975, Bardele 1981, WirnsbergerAescht et al. 1989, Wasik & Mikolajczyk 1992, Modeo et al.
Adoral zone of membranelles continuous. The adoral zone of most hypotrichs is continuous, that is, it does not show a distinct break in the left anterior corner of the cell where it extends on the dorsal side of the frontal scutum. , Kahl 1932, Curds 1975, Wicklow 1982b, Song & Packroff 1993, Agatha 2004, Agatha & Strüder-Kypke 2007), indicating that a continuous row is a plesiomorphy in the ground pattern of the Hypotricha. Two undulating membranes. In the previous monograph I rashly assumed that the presence of two undulating membranes, respectively, the presence of an endoral is an apomorphy of the Hypotricha (Berger 2006, p.
Hill (1990) described a right and left oral membrane in Uronychia; however, according to Song et al. (2004 and references therein), the oral primordium produces only one very large, almost circular membrane. , Foissner et al. 1991, Fernández-Galiano & Calvo 1992, Giambelluca et al. 1995, Hu & Song 2003, Song et al. 2004, Lin & Song 2004). , Fleury et al. 1986, Song & Wilbert 1997a). , Wicklow 1982b, Lin et al. 2004). , Lynn & Small 2002, Adl et al. 2005), belong to the Hypotricha (Berger 2006, p.