Up until quite recently, the animal phylum Placozoa enjoyed a unique position in animal systematics. It was the only phylum to which only a single species had ever been assigned: Trichoplax adhaerens.

A lone giraffe – the tallest animal on Earth But, with that in mind, can we say that the living world should also only be ...

Animal systematics and taxonomy constitute the scientific frameworks by which the diversity of animal life is discovered, described and organised. Taxonomy provides the rules and conventions for ...

The stoneflies (order Plecoptera) of Southeast Asia comprise a diverse assemblage of aquatic insects whose classification has been refined through integrative approaches combining morphology, ...