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Chevronida

Asteroidea

Taxonomy
Chevronida was named by Gale (2018). It is extant. It was considered monophyletic by Gale (2018).

It was assigned to Spinulosida by Gale (2018).

Synonymy list
YearName and author
2018Chevronida Gale p. 293

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

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. Chevronida Gale 2018
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Fm. Tremasteridae Sladen 1889
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G. †Mesotremaster Hess 1972
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Mesotremaster felli Hess 1972
Mesotremaster mazetieri Mercier 1935
Unr. Velatida Perrier 1893
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G. †Decacuminaster Villier et al. 2009
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Decacuminaster solaris Villier et al. 2009
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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G. †Plesiastropecten Peyer 1944
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Unr. Pterasteridae Perrier 1875
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G. †Hansaster Gale 2018
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G. †Longwyaster Gale 2018
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Longwyaster delsatei Gale 2018
G. †Propteraster Gale 2018
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G. Pteraster Müller and Troschel 1842
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Pteraster angulatus Gale 2022
Pteraster balticus Gale 2022
Pteraster cretachiton Gale 2022
Pteraster kutscheri Gale 2022
Pteraster lyddenensis Gale 2023
Pteraster nudus Gale 2022
Pteraster paucispinus Gale 2022
Pteraster turoniense Gale 2022
G. †Savignaster Gale 2011
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Savignaster septemtrionalis Rousseau et al. 2018
Savignaster wardi Gale 2011
Fm. Solasteridae Viguier 1878
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G. Lophaster Verrill 1878
G. Solaster Forbes 1839
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Solaster murchisoni Williamson 1836
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Invalid names: Solaster polynemia Simpson 1855 [synonym]
Fm. †Tropidasteridae Wright 1880
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G. †Plumaster Wright 1863
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Plumaster ophiuroides Wright 1863
G. †Tropidaster Forbes 1850
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Tropidaster pectinatus Forbes 1850
G. †Xandarosaster Blake 1984
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Xandarosaster hessi Blake 1984
Invalid names: Caymanostellidae Belyaev 1974 [empty], Myxasteridae Perrier 1891 [empty]
Diagnosis
ReferenceDiagnosis
A.S. Gale 2018Spinulosida in which plate-roofed interradial channels extend from the distal surface of the primary interradial ossicles to the proximal surface of the odontophore.
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Grouping: solitaryo
Environment: coastal, inner shelf, outer shelf, marineo
Locomotion: actively mobileo
Life habit: epifaunalo
Diet: carnivoreo
Diet 2: suspension feedero
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2007-10-02 03:15:13
Modified: 2009-09-07 02:46:48
Source: o = order, c = class, p = phylum
References: Blake 1990, Aberhan 1992, Aberhan et al. 2004

Age range

Maximum range based only on fossils: base of the Hettangian to the top of the Early/Lower Maastrichtian or 201.30000 to 66.00000 Ma
Minimum age of oldest fossil (stem group age): 199.3 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Hettangian201.3 - 199.3Switzerland Plesiastropecten hallovensis (32020)
Early/Lower Hettangian201.3 - 196.5Switzerland Plesiastropecten hallovensis (32019)
Sinemurian199.3 - 190.8Antarctica Protremaster universalis (92930)
Pliensbachian190.8 - 182.7France Plumaster sp., Tropidaster pectinatus (106348)
Davoei189.6 - 183.0United Kingdom (England) Tropidaster pectinatus (33336)
Middle Toarcian182.0 - 175.6France (Poitou-Charentes) Plesiastropecten hallovensis (31839)
Late/Upper Bajocian171.6 - 167.7Switzerland Mesotremaster felli, Plesiosolaster moretonis (32036)
Bajocian170.3 - 168.3Switzerland Xandarosaster hessi (32021)
Late/Upper Bathonian167.7 - 164.7France Stauraster mazetieri (72284)
Early/Lower Callovian164.7 - 161.2France Solaster sp. (58221)
Late/Upper Oxfordian161.2 - 155.7France Plumaster sp., Savignaster wardi (61724)
Late/Upper Campanian83.5 - 70.6Belgium (Liege) Pteraster sp. (32150)
Early/Lower Maastrichtian70.6 - 66.0Germany (Mecklenburg-Vorpommern) Pteraster sp. (32022)