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Jaxea

Malacostraca - Decapoda - Laomediidae

Taxonomy
Jaxea was named by Nardo (1847) [Sepkoski's age data: T Mi R]. It is extant.

It was assigned to Decapoda by Sepkoski (2002); and to Laomediidae by Müller (1984), Schweitzer et al. (2010) and Schweitzer et al. (2023).

Synonyms
Synonymy list
YearName and author
1847Jaxea Nardo
1862Calliaxis Heller
1984Jaxea Müller p. 49
2002Jaxea Sepkoski
2010Jaxea Schweitzer et al. p. 41
2023Jaxea Schweitzer et al. p. 23

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
Deuteropoda
Mandibulata
PancrustaceaZrzavý and Štys 1997
RankNameAuthor
Hymenostraca(Rolfe 1969)
superclassMulticrustaceaRegier et al. 2010
classMalacostraca()
subclassEumalacostracaGrobben 1892
CaridoidaHessler 1982
orderDecapoda
suborderPleocyemataBurkenroad 1963
infraorderGebiideaSaint Laurent 1979
familyLaomediidaeBorradaile 1903
genusJaxeaNardo 1847

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. Jaxea Nardo 1847
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Jaxea kuemeli Bachmayer 1954
Jaxea nocturna Nardo 1847
Invalid names: Calliaxis Heller 1862 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: chitinc
Locomotion: actively mobilec
Life habit: infaunalinfrao
Diet: detritivoreinfrao
Vision: well-developedc
Created: 2022-08-23 13:23:15
Modified: 2022-09-18 00:47:40
Source: infrao = infraorder, c = class
References: Aberhan 1992, Valdez and Clapham 2023

Age range

Maximum range based only on fossils: Zanclean or 5.33300 to 3.60000 Ma
Minimum age of oldest fossil (stem group age): 3.6 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Zanclean5.333 - 3.6Spain (Catalonia) J. nocturna (127512)