(/ˈɜːrtʃɪnz/) are typically spiny, globular animals, echinoderms in the class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth...

2021-06-14 A, Kroh (2019). "World Echinoidea Database - Global Biodiversity Information Facility World Echinoidea Database in the Catalogue of Life"...

(July/August): 12–13. Dix, Trevor G. (June 1970). "Biology ofevechinus chloroticus(echinoidea: Echinometridae) from different localities". New Zealand Journal of Marine...

the clade Asterozoa, or that they were sister to the (Holothuroidea + Echinoidea) as the clade Cryptosyringida. However, a 2014 analysis of 219 genes from...

and does not pose a serious threat to humans. As a member of the class Echinoidea, the anatomy of Diadema setosum is that of a typical sea urchin. All of...

Subphylum Crinozoa (sea lillies and extinct relatives) Subphylum Echinozoa Echinoidea (sea urchins) Holothuriodea (sea cucumbers) There is a possibility that...

Long Island Sound is a large marine estuary in the Northeastern United States. It forms the maritime border between New York's Long Island and Connecticut...

The Echinothurioida are an order of sea urchins in the class Echinoidea. Echinothurioids are distinguished from other sea urchins by the combination of...

This List of echinoderm orders concerns the various classes and orders into which taxonomists categorize the roughly 7000 extant species as well as the...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Superorder: Gnathostomata Order: Clypeasteroida Suborders and families...