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Euxanthinae

Malacostraca - Decapoda - Xanthidae

Taxonomy
Euxanthinae was named by Alcock (1898). It is extant. Its type is Euxanthus.

It was assigned to Xanthidae by Karasawa (1993), Schweitzer et al. (2010) and Schweitzer et al. (2021).

Synonymy list
YearName and author
1898Euxanthinae Alcock
1993Euxanthinae Karasawa p. 59
2010Euxanthinae Schweitzer et al. p. 126
2021Euxanthinae Schweitzer et al. p. 18

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
—Hymenostraca(Rolfe 1969)
superclassMulticrustaceaRegier et al. 2010
classMalacostraca()
RankNameAuthor
subclassEumalacostracaGrobben 1892
—CaridoidaHessler 1982
orderDecapoda
suborderPleocyemataBurkenroad 1963
—Reptantia(Boas)
—MeiuraSaint Laurent 1980
infraorderBrachyura()
—Eubrachyurade Saint Laurent 1980
—HeterotremataGuinot 1977
superfamilyXanthoideaMacLeay 1838
familyXanthidae
subfamilyEuxanthinaeAlcock 1898
subfamilyEuxanthinaeAlcock 1898

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.

Subfm. Euxanthinae Alcock 1898
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G. Euxanthus Dana 1851
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†Euxanthus multipunctulatus Hu and Tao 1996
G. Hypocolpus Rathbun 1897
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Hypocolpus abbotti Rathbun 1894
G. Lipaesthesius Rathbun 1898
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†Lipaesthesius quadratus Rathbun 1945
G. †Madaeus Dana 1851
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†Madaeus mbalavuensis Rathbun 1945
†Madaeus variabilis Rathbun 1945
G. Medaeops Guinot 1967
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†Medaeops megamiensis Karasawa 1993
G. Medaeus Dana 1851
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†Medaeus granulatus Martin 1880
†Medaeus granulosus Martin 1879
†Medaeus mbalavuensis Rathbun 1945
†Medaeus variabilis Rathbun 1945
G. Monodaeus Guinot 1967
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†Monodaeus bortolottii Delle Cave 1988
Monodaeus couchii Couch 1851 [Couch rubble crab]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: chitinc
Locomotion: actively mobilec
Life habit: infaunalsuperf
Diet: carnivoreo
Vision: well-developedc
Created: 2022-11-16 16:35:07
Modified: 2022-11-16 16:35:07
Source: superf = superfamily, o = order, c = class
References: Aberhan 1992, Fearon and Clapham 2023, Turnsek 1997

Age range

Maximum range based only on fossils: base of the Early/Lower Miocene to the top of the Calabrian or 23.03000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Miocene23.03 - 15.97Fiji Medaeus mbalavuensis (136573)
Early/Lower Miocene - Middle Miocene23.03 - 11.608Japan (Shizuoka) Medaeops megamiensis (202476)
Middle Miocene15.97 - 11.608Fiji Medaeus mbalavuensis (68330)
Badenian13.65 - 12.7Moldova Medaeus moldavica (78643 78648)
Late/Upper Miocene11.608 - 5.333Indonesia Medaeus granulosus (70099)
Pliocene5.333 - 2.588Italy (Grosseto) Monodaeus bortolottii (221599)
Pliocene5.333 - 2.588Fiji Lipaesthesius quadratus, Medaeus mbalavuensis, Medaeus variabilis (136142) Medaeus mbalavuensis (68180 136139) Medaeus nbalavuensis, Lipaesthesius quadratus, Medaeus variabilis (68181)
Calabrian1.8 - 0.774Italy Monodaeus bortolottii (234404 234405)