Sponge

What is this? Well, this is the first random pick of something beyond 'just' a figure; among other things I've also given the option of looking at various shelves or taxonomic groups. I have preferred to use the phrase 'clades' when talking about these although I may not always follow strictly to the monophyletic meaning that implies. Sometimes they are convenience, and their level of specificness (a real word, I checked) may depend on how they fit my collecting (fish…