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Cassidulus (Paralampas) lyelli

Echinoidea - Clypeasteroida - Faujasiidae

Taxonomy
Nucleolites lyelli was named by Conrad (1850).

It was recombined as Cassidulus (Rhynchopygus) lyelli by Clark and Twitchell (1915); it was recombined as Cassidulus (Paralampas) lyelli by Cooke (1942).

Sister species lacking formal opinion data
Casidulus trojanensis, C. kieri

Synonyms
Synonymy list
YearName and author
1850Nucleolites lyelli Conrad
1915Cassidulus (Rhynchopygus) lyelli Clark and Twitchell p. 141
1915Cassidulus (Pygorhynchus) georgiensis Clark and Twitchell p. 170 figs. Plate LXXIX, Figs. 2a-d
1942Cassidulus (Paralampas) lyelli Cooke p. 33

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Microstomata
—Neognathostomata
orderClypeasteroida
familyFaujasiidae()
genusCassidulusLambert 1916
subgenusParalampasDuncan and Sladen 1882
specieslyelli(Conrad 1850)

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.

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Invalid names: Cassidulus (Pygorhynchus) georgiensis Clark and Twitchell 1915 [synonym]
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: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992

Age range: Late/Upper Eocene or 37.71000 to 33.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Eocene37.71 - 33.9USA (Georgia) Cassidulus georgiensis (57927) Cassidulus lyelli (203464)
Priabonian37.71 - 33.9USA (Florida) Cassidulus lyelli (3569 61109)