- English
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About this book
Choanoflagellates have three distinctive claims to fame: they are the closest, living, unicellular relatives of animals; they are a major component of aquatic microbial foodwebs; and one group is remarkable for its siliceous basket-like coverings. This landmark book offers a unique synthesis of over forty years of choanoflagellates research. Key areas are covered, from the phylogenetic evidence supporting the sister-group relationship between choanoflagellates and Metazoa, to choanoflagellate distribution and diversity in marine and freshwater environments. The structure and assembly of choanoflagellate loricae is also presented together with a full discussion of a novel example of 'regulatory evolution', suggesting that the switch from nudiform to tectiform cell division and lorica production was achieved by a sudden reorganisation of existing structures and mechanisms. Providing an authoritative summary of what is currently known about choanoflagellates, this title will serve as a foundation upon which future research and discussion can take place.
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Information
Table of contents
- Cover
- Half-title
- Title page
- Copyright information
- Table of contents
- Preface
- Note on Terminology, Taxonomy and Nomenclature
- 1 Historical perspectives
- 2 The collared flagellate: functional morphology and ultrastructure
- 3 Craspedida: choanoflagellates with exclusively organic coverings
- 4 Loricate choanoflagellates: Acanthoecida
- 5 Loricate choanoflagellates: requirement for silicon and its deposition in costal strips
- 6 Loricate choanoflagellates: Acanthoecidae - nudiform species
- 7 Loricate choanoflagellates: Stephanoecidae - tectiform species
- 8 Loricate choanoflagellates: evolutionary relationship between the nudiform and tectiform conditions
- 9 Choanoflagellate ecology
- 10 Choanoflagellate phylogeny: evolution of Metazoan multicellularity
- Glossary
- References
- Figure and table credits
- Choanoflagellate species index
- Other species index
- General index