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Psephoaster apokryphos

Echinoidea - Spatangoida - Hemiasteridae

Taxonomy
Psephoaster apokryphos was named by McNamara (1987). Its type specimen is NMV P100506, a test, and it is not a trace fossil. Its type locality is Jan Juc Formation, which is in an Oligocene coastal siliciclastic in the Jan Juc Formation of Australia.

Synonymy list
YearName and author
1987Psephoaster apokryphos McNamara pp. 348-350 figs. pl. 47, figs. 9, 11, 12

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Atelostomata
orderSpatangoida
familyHemiasteridae
genusPsephoaster
speciesapokryphos

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.

†Psephoaster apokryphos McNamara 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Environment: marineo
Locomotion: slow-movingo
Life habit: shallow infaunalo
Diet: deposit feedero
Diet 2: detritivoreo
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-28 12:18:10
Modified: 2009-10-08 16:32:56
Source: o = order, c = class, p = phylum
References: Aberhan 1992, Kiessling 2004

Age range: Late/Upper Oligocene or 27.30000 to 23.04000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Oligocene27.3 - 23.04Australia (Victoria) Psephoaster apokryphos (type locality: 72199)