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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Ecological science, the Biosphere
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Monograph of the Amphisiellidae and Trachelostylidae (Ciliophora, Hypotricha) (Hardcover, 2008 ed.)
Loot Price: R8,446
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Monograph of the Amphisiellidae and Trachelostylidae (Ciliophora, Hypotricha) (Hardcover, 2008 ed.)
Series: Monographiae Biologicae, 88
Expected to ship within 10 - 15 working days
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The present book is a monograph about two groups of hypotrichous
ciliates, namely the Amphisiellidae and the Trachelostylidae. It is
the third of six volumes which - view the Hypotricha, one of the
three major taxa of the spirotrichs. The first volume is about the
Oxytrichidae, a rather large group, many species of which have 18
highly characteristically arranged frontal-ventral-transverse cirri
and, much more importantly, a comparatively complex dorsal
ciliature due to (oxytrichid) fragmen- tion of dorsal kineties
during cell division (Berger 1999). The second volume deals with
the Urostyloidea, which are characterised by a zigzag-arrangement
of the ventral cirri (Berger 2006). Although this pattern is often
very impressive, it is a relatively simple feature originating by a
more or less distinct increase of the number of
frontal-ventral-transverse cirri anlagen. These anlagen produce
cirral pairs which are serially arranged in non-dividing specimens.
Some - ers are likely astonished that the monograph on urostyloids
does not include Urol- tus, a group of tailed species, which also
have a distinct zigzagging cirral pattern. However, morphological
and molecular data indicate that the zigzag pattern of U- leptus
evolved independently, that is, convergently to that of the
urostyloids. Thus, Uroleptus was excluded from the urostyloid
review. A zigzag pattern is also known from some oxytrichids, for
example, Neokeronopsis, Territricha, Pattersoniella, showing that
this pattern evolved several times independently (Berger 1999,
2006, Foissner et al. 2004).
General
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