Affinities of Urochordata | Subphylum Urochordata

In this article we will discuss about the affinities of urochordata.   Affinities # Urochordata with Non-Chordates:  Similarities: 1. Food collection similar to spongec, mussels and lophophores. 2. Typhlosole in the intestine. 3. Presence of larval eye and oocytes. 4. Budding leading to a chain of new zooids. 5. Formation of colony. Dissimilarities: 1. Fish-like tadpole larva. 2. Absence of [...]