Sponges are an ancient group of animals, and have been around for more than 543 million years!
No taxonomy needed: Sponge functional morphologies inform about environmental conditions - ScienceDirect
Miocene sponge assemblages in the face of the Messinian Salinity Crisis—new data from the Atlanto-Mediterranean seaway [PeerJ]
Galway Atlantaquaria (+ Museological Musings On Aquariums) – Salterton Arts Review
Natural Sustainably Sourced Sea Sponge Large
Sponges of Britain and Ireland
Saint Patrick's Parade from the Sea - No Bones
Marine Drugs, Free Full-Text
Blog: CÚRAM Sponges – from sponge slimes to medicines
Sponges of Britain and Ireland