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Gordonaster brassfieldensis

Asteroidea - Hadrosida - Palaeasteridae

Taxonomy
Gordonaster brassfieldensis was named by Blake and Ettensohn (2009). Its type specimen is holotype UK 116100; sparatypes UK 116101-116102 and is a 3D body fossil. It is the type species of Gordonaster.

Synonymy list
YearName and author
2009Gordonaster brassfieldensis Blake and Ettensohn pp. 67-69 figs. Figs 1, 2, 3
2018Gordonaster brassfieldensis Blake p. 41

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
—Asterozoa()
classAsteroidea
orderHadrosida
familyPalaeasteridae
genusGordonaster
speciesbrassfieldensis

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.

†Gordonaster brassfieldensis Blake and Ettensohn 2009
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Diagnosis
ReferenceDiagnosis
D. B. Blake and F. R. Ettensohn 2009Palasterinid? with distinctly reticulated dorsal
skeleton developing in larger individuals; ossicles of primary circlet
and carinals weakly enlarged. Marginals in two series; superomarginals
shieldlike, dorsal-lateral in position; inferomarginals
forming planar ventral surface. Marginals of two series linked
to intermarginal series by facets. Adambulacrals closely fitted,
forming tightly fitted cover over ambulacral furrow; furrow protected
by short, stout spines. Buccal slit extends to the third ambulacral.
MAO robust, torus present.
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 15:35:10
Modified: 2010-02-09 06:02:08
Source: c = class, p = phylum
References: Aberhan et al. 2004, Aberhan 1992

Age range: Llandovery or 443.40000 to 433.40000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Llandovery443.4 - 433.4USA (Kentucky) Gordonaster brassfieldensis (90132)