Ichthyology is the branch of zoology studies fishes. This includes the bony fishes (Osteichthyes), the cartilaginous fishes (Chondrichthyes) such as sharks and rays, and the jawless fishes (Agnatha).
... Church in the Netherlands (NHK)
The Dutch Reformed churches have suffered three major splits.
Christian Reformed Churches of the Netherlands (CGKN)[?]
Reformed Church ...