Kunstformen T-shirt : Cystoidea Delen Facebook Twitter LinkedIn Pinterest Email Beautiful T-shirt depicting one of Haeckel's artforms in nature. Vergroot Daniel wearing Cystoidea White - Amy Claire Elizabeth Galbraith Met: Daniel Parnitzke Vergroot June posing for our brand new female Kunstformen T-shirt. - Beautiful T-shirt depicting one of Haeckel's mushroom form in nature. This one is called Cystoidea. Ernst Haeckel Met: June Park (KR)