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Asthenognathus cornishorum

Malacostraca - Decapoda - Varunidae

Taxonomy
Asthenognathus cornishorum was named by Schweitzer and Feldmann (1999). Its type specimen is CM 39687, an exoskeleton, and it is a 3D body fossil. Its type locality is RB36, Tegland Point, which is in a Chattian marine siltstone in the Pysht Formation of Washington.

Synonymy list
YearName and author
1999Asthenognathus cornishorum Schweitzer and Feldmann p. 259 figs. 14, 15
2001Asthenognathus cornishorum Schweitzer and Feldmann p. 340
2010Asthenognathus cornishorum Schweitzer et al. p. 142

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
Deuteropoda
Mandibulata
PancrustaceaZrzavý and Štys 1997
Hymenostraca(Rolfe 1969)
superclassMulticrustaceaRegier et al. 2010
classMalacostraca()
subclassEumalacostracaGrobben 1892
RankNameAuthor
CaridoidaHessler 1982
orderDecapoda
suborderPleocyemataBurkenroad 1963
Reptantia(Boas)
MeiuraSaint Laurent 1980
infraorderBrachyura()
Eubrachyurade Saint Laurent 1980
ThoracotremataGuinot 1977
superfamilyGrapsoideaMacLeay 1838
familyVarunidaeMilne-Edwards 1853
subfamilyAsthenognathinaeStimpson 1858
genusAsthenognathusStimpson 1858
speciescornishorum

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.

Asthenognathus cornishorum Schweitzer and Feldmann 1999
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: chitinc
Locomotion: actively mobilec
Life habit: infaunalsuperf
Diet: detritivoresuperf
Vision: well-developedc
Created: 2022-08-23 13:46:39
Modified: 2022-09-18 00:50:49
Source: superf = superfamily, c = class
References: Aberhan 1992, Valdez and Clapham 2023

Age range: Chattian or 27.30000 to 23.04000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Chattian27.3 - 23.04USA (Washington) Asthenognathus cornishorum (221302 221303 type locality: 221304)