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

The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names...

The marine waters of the Houtman Abrolhos, an island chain off the coast of Western Australia, has been recorded as containing 172 species of echinoderm...

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

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...

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

1900 species), Ophiuroidea (brittle stars, with around 2,300 species), Echinoidea (sea urchins and sand dollars, with some 900 species), Holothuroidea (sea...

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

The Camarodonta are an order of globular sea urchins in the class Echinoidea. The fossil record shows that camarodonts have been in existence since the...

There are 75 species of echinoderm (phylum Echinodermata) recorded in Ireland. Asterias rubens (common sea star) Leptasterias muelleri (northern sea star)...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Camarodonta Family: Toxopneustidae Genus: Pseudoboletia Species:...

Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Infraclass: Irregularia Family: Pygaulidae Genus: Plagiochasma Pomel,...

Toxopneustidae is a family of globular sea urchins in the class Echinoidea. All Camarodonts have imperforate tubercles and compound ambulacral plates....

The Pitkin Formation, or Pitkin Limestone, is a fossiliferous geologic formation in northern Arkansas that dates to the Chesterian Series of the late Mississippian...

and feather stars) Asteroidea (star fish) Ophiuroidea (brittle stars) Echinoidea (sea urchins) Holothuroidea (sea cucumbers) Entoprocta Gastrotricha Gnathostomulida...

Copenhagen Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Subclass: Euechinoidea Order: Phymosomatoida Genus: Phymosoma...

(2010). Caenopedina mirabilis (Döderlein, 1885). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species. v t e...

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

classification Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Spatangoida Family: Loveniidae Genus: Echinocardium Species: E...

at the Zoological Museum, Copenhagen. He specialized in sea urchins (Echinoidea) and provided an enormous marine collection to the museum. He collected...

Holothuroidea, Crinoidea, and Hemichordata, and into a pluteus larva form in the Echinoidea and Ophiuroidea. This, in its turn, is developed in various different...

particularly in sea stars (class Asteroidea) and sea urchins (class Echinoidea). Each pedicellaria is an effector organ with its own set of muscles,...

The Nusplingen Limestone (German: Nusplingen Plattenkalk) is a geological formation in Baden-Württemberg, Germany. It preserves fossils dating to the Kimmeridgian...

The Solnhofen Limestone or Solnhofen Plattenkalk is a collective term for multiple Late Jurassic lithographic limestones in southeastern Germany, which...

A. (2010). Clypeaster aloysioi (Brito, 1959). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species. v t e...

April 2017). "A diverse assemblage of Permian echinoids (Echinodermata, Echinoidea) and implications for character evolution in early crown group echinoids"...

(2010). Clypeaster amplificatus (Koehler, 1922). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species. v t e...

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

classes representatives living today: Crinoidea, Asteroidea, Ophiuroidea, Echinoidea and Holothuroidea. In this list are listed 105 species for the territory...

(2010). Caenopedina alanbakeri (Rowe, 1989). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species. v t e...