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Periarchus lyelli

Echinoidea - Clypeasteroida - Protoscutellidae

Taxonomy
Scutella lyelli was named by Conrad (1834).

It was recombined as Periarchus lyelli by Clark and Twitchell (1915), Cooke (1942), Kier (1980) and Kier (1997).

Synonymy list
YearName and author
1834Scutella lyelli Conrad
1915Periarchus lyelli Clark and Twitchell p. 131
1942Periarchus lyelli Cooke p. 14
1980Periarchus lyelli Kier p. 40
1997Periarchus lyelli Kier p. 8

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
RankNameAuthor
Carinacea
Irregularia()
Microstomata
Neognathostomata
orderClypeasteroida
suborderScutellina()
infraorderScutelliformes
familyProtoscutellidae
genusPeriarchus
specieslyelli(Conrad 1834)

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.

Periarchus lyelli Conrad 1834
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingo
Life habit: semi-infaunalo
Diet: detritivoreo
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 18:19:59
Modified: 2009-10-08 15:05:22
Source: o = order, c = class, p = phylum
References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004

Age range: base of the Lutetian to the top of the Late/Upper Eocene or 47.80000 to 33.90000 Ma

Collections (64 total)


Time interval Ma Country or state Original ID and collection number
Middle Eocene48.6 - 37.2USA (North Carolina) Periarchus lyelli (41823 41922 41923 41938 41941)
Lutetian47.8 - 41.3USA (Georgia) Periarchus lyelli (81261 81262)
Lutetian47.8 - 41.3USA (Alabama) Periarchus lyelli (81242 81253 81254)
Bartonian41.3 - 38.0USA (Alabama) Periarchus lyelli (3503 3504 3505 3506 3508 3509 3510 3511 3512 3514 3515 3516 3517 3518 3519 3520 81282 89614 94040 98272 101112)
Bartonian41.3 - 38.0USA (North Carolina) Periarchus lyelli (5366 5367 5375 5376 5377 5378 5379 5381 5383 5384 5386 5387 5388 5436 5459 5461 41984)
Bartonian41.3 - 38.0USA (Florida) Periarchus lyelli (49882)
Bartonian41.3 - 38.0USA (Georgia) Periarchus lyelli (3525 3526 3528)
Bartonian41.3 - 38.0USA (South Carolina) Periarchus lyelli (5464 5473 5476)
Bartonian41.3 - 38.0USA (Mississippi) Periarchus lyelli (3531 3532)
Priabonian38.0 - 33.9USA (Alabama) Periarchus lyelli (89613)
Priabonian38.0 - 33.9USA (Mississippi) Periarchus lyelli (99676)
Priabonian38.0 - 33.9USA (South Carolina) Periarchus lyelli (5362 5363)
Priabonian38.0 - 33.9USA (Florida) Periarchus lyelli (41453 41475)
Late/Upper Eocene37.2 - 33.9USA (Alabama) Periarchus lyelli (49880)