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Hansaster

Asteroidea

Taxonomy
Hansaster was named by Gale (2018). Its type is Savignaster trimbachensis. It was considered monophyletic by Gale (2018).

It was assigned to Pterasteridae by Gale (2018).

Synonymy list
YearName and author
2018Hansaster Gale p. 301

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Asterozoa()
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderSurculifera
Spinulosida()
Chevronida
Velatida()
Pterasteridae()
genusHansaster

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Hansaster Gale 2018
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Diagnosis
ReferenceDiagnosis
A.S. Gale 2018Pterasteridae in which the adambulacrals possess an elongated extension, and in which the base for the apertural spine is widely separated from those supporting the dambulacral spine membrane. The primary radials bear a proximally sloping face for spine articulation and a prominent proximal spur.
Measurements
No measurements are available
Composition: high Mg calcitef
Ontogeny: accretion, addition of partsp
Grouping: solitaryf
Environment: outer shelf, oceanic, marineo
Locomotion: actively mobilef
Life habit: epifaunalf
Depth habitat: subthermoclineo
Diet: carnivoref
Vision: limitedc
Reproduction: oviparouso
Dispersal: watero
Dispersal 2: planktonico
Created: 2009-09-04 12:22:18
Modified: 2009-09-04 14:22:18
Source: f = family, o = order, c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004, Blake 1990
Collections
No collection or age range data are available