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Kionaster petersonae

Asteroidea - Valvatida - Asterodiscididae

Taxonomy
Kionaster petersonae was named by Blake and Portell (2011). Its type specimen is Holotype UF 148379 ,Paratypes UF 74923, 76112 and is a 3D body fossil. Its type locality is TU 547 - Fourmile Creek, which is in a Burdigalian marine marl/sandstone in the Chipola Formation of Florida. It is the type species of Kionaster.

Synonymy list
YearName and author
2011Kionaster petersonae Blake and Portell p. 35 figs. Figs 4c, 5, 6

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyAsterodiscididae
genusKionaster
speciespetersonae

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.

†Kionaster petersonae Blake and Portell 2011
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Diagnosis
ReferenceDiagnosis
D. B. Blake and R. W. Portell 2011Asterodiscidid with finely pustulate primary ossicles. Abactinal ossicles differentiated into two groups, larger disk ossicles and smaller arm ossicles. Dorsal disk ossicles enlarged, thickened, and plate-like. Interbrachial marginals recessed, forming a notch or re-entrant in body outline. First superomarginals on each side of arm bearing a column-like or pillar-like tubercle; second SM bearing a massive, radially flattened tubercle; third and subsequent SMs bulbous
but lacking tubercles. Actinals arranged in single series, the interbrachial actinal unpaired; actinal ossicular size decreasing abruptly after the third ossicle (counting the unpaired interbrachial ossicle).
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 1992, Aberhan et al. 2004

Age range: Burdigalian or 20.44000 to 15.97000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Burdigalian20.44 - 15.97USA (Florida) Kionaster petersonae (type locality: 89576)