Porifera collection MNHN

Porifera collection MNHN porifera The simplest of all the invertebrates are the Parazoans, which include only the phylum Porifera Phylum Porifera (“pori” = pores, “fera” = porifera Phylum Porifera Grant, 1826 Pp 9-14 i>In:i> Hooper, A ; van Soest, M i>Systema Porifera: a guide to the classification of sponges

porifera 1 Phylum Porifera 2 Phylun Coelenterata 3 Platyhelminthes 4 Nematoda 5 Phylum Annelida 6 Phylum Mollusca

porifera Porifera contain the sponges: the most ancient of all animal groups They originated in the Cambrian period around 600 million years ago  The Porifera collection has over 20,000 lots and consists of several sub-collections, by authors and campaigns Most of the specimens are preserved in 70°