In today's world, Echinozoa has become a topic of great relevance and interest to a wide spectrum of people. Its importance is reflected in the number of debates it generates, as well as its presence in different areas of society. Whether in the political, social, economic or cultural sphere, Echinozoa plays a fundamental role. From its impact on people's daily lives to its influence on the development of new technologies, Echinozoa has captured the attention of individuals of all ages and fields of study. In this article, we will explore in depth the different dimensions of Echinozoa and its relevance today.

Subphylum of marine invertebrates

Echinozoa Temporal range: Early Ordovician–Present PreꞒ Ꞓ O S D C P T J K Pg N
The melon sea urchin (Echinus melo) in northwest Sardinia
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Echinodermata
Subphylum:	Echinozoa
Classes
Echinoidea or sea urchins Holothuroidea or sea cucumbers Ophiocistioidea † Helicoplacoidea † † = Extinct

Echinozoa is a subphylum of free-living echinoderms in which the body is or originally was a modified globe with meridional symmetry. Echinozoans lack arms, brachioles, or other appendages, and do not at any time exhibit pinnate structure. Their two extant classes are the sea urchins and the sea cucumbers.

See also

• List of echinodermata orders

References

1. ^ "Answers - the Most Trusted Place for Answering Life's Questions".

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