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Phylum Porifera
Sponges are a diverse group of sometimes common types, with about 5000 species known across the world. Sponges are primarily marine, but around 150 species live in fresh water. Sponges have cellular-level organization, meaning that that their cells... More >>
Other Phyla:

en.wikipedia.org/wiki/Sponge

Sponges are the basalmost clade of animals of the phylum Porifera They are multicellular parazoan organisms that have bodies full of pores and channels ...

www.ucmp.berkeley.edu/porifera/porifera.html

The approximately 5,000 living sponge species are classified in the phylum Porifera, which is composed of three distinct groups, the Hexactinellida (glass ...

www.earthlife.net/inverts/porifera.html

An introduction to the biology, classification and ecology of sponges, the phylum Porifera.

study.com/academy/lesson/phylum-porifera-definition-characteristics-examples.html

Jan 11, 2016 ... In this lesson, we will explore the phylum Porifera and look at the organisms that make up the group. We will discuss their key features, body...

shapeoflife.org/phylum-porifera

Sponges Sponges are considered the oldest animal group. They are multicellular but don't have tissues or organs The name porifera means 'pore bearer' in ...

people.eku.edu/schusterg/bio542/porifera.htm

THE PHYLUM PORIFERA. THE SPONGES. INTRODUCTION. Sponges are among the most unusual animals. because of lifestyle and appearance originally  ...

animaldiversity.org/accounts/Porifera

Sponges are a diverse group of sometimes common types, with about 5000 species known across the world. Sponges are primarily marine, but around 150 ...

faculty.college-prep.org/~bernie/sciproject/project/Kingdoms/Animal%20Kingdom%20-%205/Local%20copy/classification/porifera.html

The phylum Porifera includes all species of sponges, encompassing about 5,000 species in total. Sponges are the only animals that don't contain "true tissues", ...

species-identification.org/species.php?species_group=caribbean_diving_guide&id=97&menuentry=groepen

Description, classification, synonyms of Phylum Porifera - Sponges.