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Korethrasteridae

Asteroidea

Taxonomy
Korethrasteridae was named by Danielssen and Koren (1884). It is extant. It was considered paraphyletic by Gale (2011) and Gale (2018).

It was reranked as the unranked clade Korethrasteridae by Gale (2018).

It was assigned to Eugnathina by Spencer and Wright (1966); to Velatida by Gale (2011) and Gale (2018); and to Velatida by Perrier (1893), Blake (1989), Mah and Blake (2012) and Gale (2022).

Synonymy list
YearName and author
1884Korethrasteridae Danielssen and Koren p. 99
1893Korethrasteridae Perrier p. 849
1966Korethrasteridae Spencer and Wright p. U68
1989Korethrasteridae Blake p. 213
2011Korethrasteridae Gale p. 62
2012Korethrasteridae Mah and Blake p. 3
2018Korethrasteridae Gale p. 295
2022Korethrasteridae Gale p. 3

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

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.

Unr. Korethrasteridae Danielssen and Koren 1884
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G. †Becuaster Gale 2018
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G. †Furculaster Gale 2022
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†Furculaster cretae Gale 2022
G. †Kutscheraster Gale 2022
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G. Peribolaster Sladen 1889
G. †Protremaster Smith and Tranter 1985
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†Protremaster universalis Smith and Tranter 1985
G. †Thuyaster Gale 2018
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Diagnosis
ReferenceDiagnosis
A.S. Gale 2018Velatids in which the adambulacrals broaden distally from articulation with the oral to the 3rd or 4th ossicle, and possess an elongated adambulacral extension. The chevron-floored interradial grooves are open on the actinal surface.
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Grouping: solitaryo
Environment: outer shelf, oceanic, marineo
Locomotion: actively mobileo
Life habit: epifaunalo
Depth habitat: subthermoclineo
Diet: carnivoreo
Diet 2: detritivoreo
Vision: limitedc
Reproduction: oviparouso
Dispersal: watero
Dispersal 2: planktonico
Created: 2007-10-02 03:56:05
Modified: 2009-09-07 02:45:36
Source: o = order, c = class, p = phylum
References: Blake 1990, Aberhan 1992, Aberhan et al. 2004

Age range

Maximum range based only on fossils: Sinemurian or 199.30000 to 190.80000 Ma
Minimum age of oldest fossil (stem group age): 190.8 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Sinemurian199.3 - 190.8Antarctica Protremaster universalis (92930)