Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Luidia sanjoaquinensis

Asteroidea - Paxillosida - Luidiidae

Taxonomy
Luidia sanjoaquinensis was named by Blake (1973). Its type specimen is Holotype 10653, UCMP D-2439 and is a 3D body fossil. Its type locality is Asteroidea, San Joaquin Fm., Kettleman Hills, Avenal, which is in a Pleistocene coastal sandstone in the San Joaquin Formation of California.

Synonymy list
YearName and author
1973Luidia sanjoaquinensis Blake pp. 36-37 figs. pl. 12 fig. 21-30

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderPaxillosida
familyLuidiidae
genusLuidia
speciessanjoaquinensis

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.

†Luidia sanjoaquinensis Blake 1973
show all | hide all
Diagnosis
ReferenceDiagnosis
D. B. Blake 1973Alternata Group Luidia with step-shaped inferomarginal, inner face step gentle, oral outline broadly rounded, superambulacral boss weakly developed, spine bases prominent, bearing broad paddle-shaped spines; ambulacrals with high surface of articulation with neighboring ambulacral, prominent oral apophyse, subangular adambulacral notch; adambulacral pentagonal, with prominent medial spine base and a large, triangular, depression for the proximal face muscle rapidly tapering; paxillae massive, bearing globular granules.
Measurements
No measurements are available
Composition: high Mg calcitef
Ontogeny: accretion, addition of partsp
Grouping: solitaryf
Environment: marinef
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: carnivoref
Vision: limitedc
Reproduction: oviparousf
Dispersal: waterf
Dispersal 2: planktonicf
Created: 2007-10-02 03:09:22
Modified: 2009-09-07 02:42:37
Source: f = family, c = class, p = phylum
References: Aberhan et al. 2004, Blake 1990, Aberhan 1992

Age range: Pleistocene or 2.58000 to 0.01170 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Pleistocene2.58 - 0.0117USA (California) Luidia sanjoaquinensis (type locality: 59923)