Top Results for 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...

Asthenosoma marisrubri is a marine sea urchin in the family Echinothuriidae, a group that includes the so-called fire urchins. The species was described by Ole Theodor Jensen Mortensen in 1934 from the Red Sea, and records also place it in the western Indian Ocean near Egypt. It is a regular echinoi...

Sperosoma grimaldii is a species of sea urchin in the family Echinothuriidae, within the echinoderm class Echinoidea. The taxon was authored by Jean Baptiste François René Koehler in 1897 and is recorded in marine zoological literature from deep-water environments, including the North Atlantic regio...

Asthenosoma intermedium is a species of sea urchin in the family Echinothuriidae, described by Hubert Lyman Clark in 1938. It is a benthic animal associated with sand and rubble bottoms and is reported as active at night. A regional account records it to at least 72 metres depth and notes short, ban...

Araeosoma coriaceum is a species of regular sea urchin in the family Echinothuriidae. It is commonly described as a leathery sea urchin, a name associated with the flexible character of its test compared with the rigid tests of many other urchins. Alexander Agassiz formally described the species in...

Aeropsis fulva is a species of sea urchin in the family Aeropsidae and the order Spatangoida. The Ocean Biodiversity Information System lists its common name as the tawny heart sea urchin and places it within the genus Aeropsis. It is a taxonomic entry for a heart-urchin species, so the name is most...

Araeosoma owstoni is a species of deep-water sea urchin belonging to the family Echinothuriidae, commonly known as flexible sea urchins due to their more pliable tests (shells) compared to shallow-water species. Found in deep ocean environments, this echinoderm likely feeds on organic matter collect...

Araeosoma alternatum is a species of regular sea urchin in the family Echinothuriidae. It is a deep-water echinoderm with the flexible, soft-test form characteristic of many echinothuriids, whose tests are less rigid than those of typical shallow-water urchins. The species was described by Alexander...

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.

Calveria fenestrata is an extinct species of sea urchin in the order Echinothurioida, recognized in the fossil record for its characteristic flattened and highly flexible test.