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Phymechinus

Echinoidea - Stomopneustoida - Stomechinidae

Taxonomy
Phymechinus was named by Desor (1858) [Sepkoski's age data: J Bajo K Maes Sepkoski's reference number: 942].

It was assigned to Stomechinidae by Fell and Pawson (1966) and Smith (1995); and to Phymosomatoida by Sepkoski (2002).

Synonymy list
YearName and author
1858Phymechinus Desor p. 133
1966Phymechinus Fell and Pawson p. U405
1995Phymechinus Smith p. 172
2002Phymechinus Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
Echinacea()
orderStomopneustoida
familyStomechinidae()
genusPhymechinus

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. †Phymechinus Desor 1858
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Phymechinus benoisti Lambert 1900
Phymechinus mirabilis Agassiz 1846
Phymechinus perplexus Smith 1995
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: actively mobilec
Life habit: epifaunalc
Diet: grazerc
Diet 2: deposit feederc
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 12:05:24
Modified: 2010-02-12 04:00:29
Source: c = class, p = phylum
References: Kiessling 2004, Aberhan 1992

Age range: base of the Middle Oxfordian to the top of the Maastrichtian or 161.20000 to 66.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Middle Oxfordian161.2 - 155.7France P. mirabilis (11085)
Middle Oxfordian161.2 - 155.7Switzerland (Jura) P. mirabilis (196467)
Late/Upper Kimmeridgian155.7 - 150.8Germany P. sp. (211294)
Maastrichtian72.1 - 66.0Oman P. sp. (151616 151617 151618)