Eucidaris is a genus of cidaroid sea urchins known as slate pencil urchins. They are characterised by a moderately thick test, a usually monocyclic apical disc, perforate and non-crenulate tubercles and nearly straight ambulacra with horizontal pore pairs. The primary spines are few and widely spaced, stout with blunt flat tips and beaded ornamentation and the secondary spines are short and apressed. They originated in the Miocene and extant members of the genus are found in the tropical Indo-Pacific Ocean, East Pacific, Atlantic Ocean and Caribbean Sea.
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| - Eucidaris (en)
- Eucidaris (fr)
- Eucidaris (it)
- Eucidaris (nl)
- Eucidaris (sv)
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| - Eucidaris is a genus of cidaroid sea urchins known as slate pencil urchins. They are characterised by a moderately thick test, a usually monocyclic apical disc, perforate and non-crenulate tubercles and nearly straight ambulacra with horizontal pore pairs. The primary spines are few and widely spaced, stout with blunt flat tips and beaded ornamentation and the secondary spines are short and apressed. They originated in the Miocene and extant members of the genus are found in the tropical Indo-Pacific Ocean, East Pacific, Atlantic Ocean and Caribbean Sea. (en)
- Oursins-mines Eucidaris Eucidaris tribuloides Genre EucidarisPomel, 1883 Eucidaris est un genre d'échinodermes (oursins) de la famille des Cidaridae, parfois appelés « oursin-mines » ou « oursins-lances ». (fr)
- Eucidaris is een geslacht van zee-egels uit de familie Cidaridae. (nl)
- Eucidaris Pomel, 1883 è un genere di ricci di mare appartenenti alla famiglia Cidaridae. Questo genere è nato durante il miocene, e ora è diffuso nelle zone tropicali dell'Indo - Pacifico, dell'Atlantico e del Mar dei Caraibi. (it)
- Eucidaris är ett släkte av sjöborrar. Eucidaris ingår i familjen piggsvinssjöborrar. Kladogram enligt Catalogue of Life: (sv)
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| - Eucidaris tribuloides on a brain coral (en)
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| - Cidarites monilifera (Goldfuss, 1829) (en)
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| - Eucidaris is a genus of cidaroid sea urchins known as slate pencil urchins. They are characterised by a moderately thick test, a usually monocyclic apical disc, perforate and non-crenulate tubercles and nearly straight ambulacra with horizontal pore pairs. The primary spines are few and widely spaced, stout with blunt flat tips and beaded ornamentation and the secondary spines are short and apressed. They originated in the Miocene and extant members of the genus are found in the tropical Indo-Pacific Ocean, East Pacific, Atlantic Ocean and Caribbean Sea. (en)
- Oursins-mines Eucidaris Eucidaris tribuloides Genre EucidarisPomel, 1883 Eucidaris est un genre d'échinodermes (oursins) de la famille des Cidaridae, parfois appelés « oursin-mines » ou « oursins-lances ». (fr)
- Eucidaris is een geslacht van zee-egels uit de familie Cidaridae. (nl)
- Eucidaris Pomel, 1883 è un genere di ricci di mare appartenenti alla famiglia Cidaridae. Questo genere è nato durante il miocene, e ora è diffuso nelle zone tropicali dell'Indo - Pacifico, dell'Atlantico e del Mar dei Caraibi. (it)
- Eucidaris är ett släkte av sjöborrar. Eucidaris ingår i familjen piggsvinssjöborrar. Kladogram enligt Catalogue of Life: (sv)
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