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Polyplacidia

Echinoidea - Phymosomatidae

Taxonomy
Polyplacidia was named by Poretskaya (1968) [Sepkoski's age data: T Eo Sepkoski's reference number: 956].

It was assigned to Phymosomatidae by Kier and Lawson (1978); and to Phymosomatoida by Sepkoski (2002).

Synonymy list
YearName and author
1968Polyplacidia Poretskaya pp. 287-289
1978Polyplacidia Kier and Lawson p. 32
2002Polyplacida Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Calycina(Gregory 1900)
suborderPhymosomatoida()
familyPhymosomatidae
genusPolyplacidiaPoretskaya 1968

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.

G. †Polyplacidia Poretskaya 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitesubo
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingsubo
Life habit: low-level epifaunalsubo
Diet: omnivoresubo
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 10:30:22
Modified: 2009-12-13 03:47:39
Source: subo = suborder, c = class, p = phylum
References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004
Collections
No collection or age range data are available