Fibularia | |
---|---|
Fibularia sp. from Landaa Giraavaru | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Echinoidea |
Order: | Clypeasteroida |
Family: | Fibulariidae |
Genus: | Fibularia Lamarck, 1816 |
Fibularia is a genus of echinoderms belonging to the family Fibulariidae. [1] [2] The genus has almost a cosmopolitan distribution. [2]
There are six recognized species: [1]
Subgenus Fibularia (Fibulariella)Mortensen, 1948 has been raised to genus rank as Fibulariella Mortensen, 1948. [1]
Echinarachnius parma, the common sand dollar, is a species of sand dollar native to the Northern Hemisphere.
Cidaris is a genus of pencil sea urchins.
Coscinasterias is a genus of sea stars of the family Asteriidae.
Clypeaster, common name "cake urchins" or "sea biscuits", is a genus of echinoderms belonging to the family Clypeasteridae.
Lytechinus is a genus of sea urchins.
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.
Parechinus angulosus, the Cape urchin, is a sea urchin in the family Parechinidae endemic to southern Africa. It is the only species in the genus Parechinus.
Fibulariidae is a family of echinoderms belonging to the order Clypeasteroida.
Ophiomastix is a genus of echinoderms belonging to the family Ophiocomidae.
Ophiura is a genus of echinoderms belonging to the family Ophiuridae.
Echinocyamus is a genus of echinoderms belonging to the family Fibulariidae.
Parvulastra is a genus of starfish belonging to the family Asterinidae. The species of this genus are found in Southern Hemisphere.
Cassidulus is a genus of echinoderms belonging to the family Cassidulidae.
Phyllacanthus is a genus of echinoderms belonging to the family Cidaridae.
Ophidiaster is a genus of echinoderms belonging to the family Ophidiasteridae.
Prionocidaris is a genus of echinoderms belonging to the family Cidaridae.
Nectria is a genus of echinoderms belonging to the family Goniasteridae.
Metalia is a genus of echinoderms belonging to the family Brissidae.
Echinolampas is a genus of echinoderms belonging to the family Echinolampadidae.