Best Echinothuriidae

Asthenosoma varium is a venomous sea urchin belonging to the Echinothuriidae family. This extant species, often called the fire-urchin, is notable for its potent spines that deliver a painful toxin. Found primarily in the Indo-Pacific, it’s of interest to marine biologists studying venom evolution a...

Asthenosoma dilatatum is a species of deep-water sea urchin first described by Alexander Agassiz in 1879. Belonging to the family Echinothuriidae, it is commonly referred to as a fire urchin due to its venomous pedicellariae, which can deliver a painful sting. The species has a distinctive, flattene...

Asthenosoma ijimai is a species of sea urchin belonging to the Echinothuriidae family, a group characterized by their flexible, leathery shells. Named in honor of the prominent Japanese zoologist Isao Ijima, this marine invertebrate is native to the Pacific waters near Japan. Like other members of i...

*Araeosoma violaceum* is a species of deep-sea sea urchin classified within the family Echinothuriidae. Known for its distinct purplish hue, it inhabits the deep ocean floor. Members of this family are commonly known as leather urchins due to their flexible, soft tests, unlike the rigid shells of sh...

First described in the Red Sea by Ole Theodor Jensen Mortensen in 1934, *Asthenosoma marisrubri* is a notable species of deep-water sea urchin.

*Asthenosoma intermedium* is a species of deep-sea sea urchin that belongs to the Echinothuriidae family, distinguished by its intermediate features.

*Araeosoma coriaceum* is a species of leathery sea urchin belonging to the Echinothuriidae family, originally described by Alexander Agassiz in 1879.

Named after the British naturalist Alan Owston, *Araeosoma owstoni* is a recognized species of deep-water sea urchin in the Echinothuriidae family.

*Araeosoma alternatum* is a species of echinoid sea urchin originally described by the prominent zoologist Alexander Emanuel Agassiz in 1879.

First described by Alexander Agassiz in 1879, *Araeosoma anatirostrum* is a species of echinoid sea urchin belonging to the family Echinothuriidae.

Named by Ole Theodor Jensen Mortensen in 1903, *Araeosoma belli* is a species of deep-water sea urchin belonging to the Echinothuriidae family.

Described by Alexander Agassiz, *Araeosoma bakeri* represents a distinct species of deep-sea echinoid sea urchin within the Echinothuriidae family.

Identified by Alexander Agassiz in 1879, *Araeosoma leptaleum* is a species of deep-sea sea urchin belonging to the order Echinothurioida.

*Araeosoma parviungulatum* is a scientifically recognized species of sea urchin classified within the family Echinothuriidae in the deep sea.