(/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"...

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...

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

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

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

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

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

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