Tag: Characteristics of Phylum Porifera

Phylum Porifera

Phylum Porifera: Phylum Porifera includes pore-bearing animals. These are commonly called sponges. They are the oldest and most primitive metazoans. Porifers evolved in the Proterozoic era more than 600 million years back. Porifers were known to Aristotle, the father of zoology. John Ellis (1765) established the animal nature of sponges. The term Porifera was coined by …