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Lytechinus baldwini

Echinoidea - Camarodonta - Toxopneustidae

Taxonomy
Lytechinus baldwini was named by Linder et al. (1988). Its type specimen is UCMP 38203, a test, and it is a mold. Its type locality is Butte Creek [Abiqua Mbr, Scotts Mills Fm], which is in a Chattian shallow subtidal limestone in the Scotts Mills Formation of Oregon.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1988Lytechinus baldwini Linder et al. p. 950 figs. figs. 4.3-4.4

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
Echinacea()
orderCamarodonta
infraorderOdontophora
familyToxopneustidae
genusLytechinusAgassiz 1863
speciesbaldwini

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.

Lytechinus baldwini Linder et al. 1988
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Diagnosis
ReferenceDiagnosis
R. A. Linder et al. 1988Test small, low hemispherical; ambulacral plates trigeminate with primary tubercles in a vertical row; secondary tubercles not in regular series; interambulacra with six rows of tubercles; only one vertical row of primaries, four vertical rows of secondaries, and a row of reduced abradial secondaries; con- spicuous wide naked median space along interradial suture above ambitus and similar but narrower less conspicuous area along perradial suture.
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: Aberhan 1992, Kiessling 2004

Age range: Chattian or 27.30000 to 23.04000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Chattian27.3 - 23.04USA (Oregon) Lytechinus baldwini (type locality: 90569)