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Leptognathina

Asteroidea

Taxonomy
Leptognathina was named by Spencer and Wright (1966). It is extant.

It was assigned to Spinulosida by Spencer and Wright (1966) and Hess (1972).

Subtaxa

Synonymy list
YearName and author
1966Leptognathina Spencer and Wright p. U68
1972Leptognathina Hess p. 22

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

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.

Subor. Leptognathina Spencer and Wright 1966
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Fm. Valvasteridae Viguier 1878
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G. †Diclidaster de Loriol 1897
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Diclidaster gevreyi de Loriol 1897
Diagnosis
No diagnoses are available
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 et al. 2004, Aberhan 1992

Age range

Maximum range based only on fossils: Hettangian or 201.30000 to 199.30000 Ma
Minimum age of oldest fossil (stem group age): 199.3 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Hettangian201.3 - 199.3France Diclidaster gevreyi (78715)