URI
Notation
562/569
Caption
Systematic palaeozoology
Application Note
562/569 is parallel with 592/599; detailed subdivision is often made in only one place, according to whether the extinct or living form is more important. If required, either section may be further subdivided like the other
Broader class
56  Palaeontology
Narrower classes
562Invertebrata in general
564Mollusca. Bryozoa. Brachiopoda
565Articulata
566/569Chordata