Language: Chinese with English summary and keys, and scientific nomenclature
A total of 5 genera, 73 species of Mobilina and 33 genera, 434 species of Sessilina are dealt with in this volume. A detailed account of morphological features, habitats and geographical distribution of families, genera and species are given. An entire list of systematics including a series of taxonomic keys to all taxa and some notes of the new species are given.
1. General account
a) Brief history of studies
b) Taxonomic position
c) Morphological characteristics
d) Systematic development
e) Ecology and geographical distribution
2. Systematic account