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Hystrigaster

Stenuroidea

Taxonomy
Hystrigaster was named by Lehmann (1957) [Sepkoski's age data: D Emsi-l]. Its type is Hystrigaster horridus.

It was assigned to Asteroidea by Lehmann (1957); to Helianthasteridae by Spencer and Wright (1966); to Hemizonida by Sepkoski (2002); and to Stenuroidea by Blake (2013).

Species
H. horridus (type species)

Synonymy list
YearName and author
1957Hystrigaster Lehmann pp. 148-151
1966Hystrigaster Spencer and Wright p. U65
2002Hystrigaster Sepkoski
2013Hystragaster Blake p. 367

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
classStenuroidea()
genusHystrigaster

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. †Hystrigaster Lehmann 1957
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†Hystrigaster horridus Lehmann 1957
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: actively mobilesubp
Life habit: epifaunalsubp
Diet: carnivoresubp
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-09-21 12:38:42
Modified: 2009-09-21 14:38:42
Source: subp = subphylum, p = phylum
References: Bambach et al. 2007, Aberhan 1992

Age range: Early/Lower Emsian or 409.10000 to 402.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Emsian409.1 - 402.5Germany H. horridus (26904)