''Thromidia'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
starfish
Starfish or sea stars are Star polygon, star-shaped echinoderms belonging to the class (biology), class Asteroidea (). Common usage frequently finds these names being also applied to brittle star, ophiuroids, which are correctly referred to ...
in the family
Mithrodiidae.
[
]
Description and characteristics
These are unusually massive sea stars with five sausage-shaped arms, containing probably the heaviest species of Asteroidea, up to 6 kg.
Species
There are four recognized species according to World Register of Marine Species
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms.
Content
The content of the registry is edited and maintained by scien ...
:[
* '' Thromidia brycei'' Marsh, 2009 – Western Australia
* '' Thromidia catalai'' Pope & Rowe, 1977 – West Pacific
* '' Thromidia gigas'' (Mortensen, 1935) – South-west Indian ocean
* '' Thromidia seychellesensis'' Pope & Rowe, 1977 – Seychelles
]
References
Mithrodiidae
Asteroidea genera
{{Asteroidea-stub