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Globihexapus paxillus

Malacostraca - Decapoda - Varunidae

Taxonomy
Globihexapus paxillus was named by Schweitzer and Feldmann (2001). Its type specimen is USNM 501841, an exoskeleton, and it is a 3D body fossil. Its type locality is RB83, which is in a Burdigalian marine horizon in the Astoria Formation of Oregon. It is the type species of Globihexapus.

Sister species lacking formal opinion data
G. paxillu

Synonymy list
YearName and author
2001Globihexapus paxillus Schweitzer and Feldmann p. 333
2010Globihexapus paxillus Schweitzer et al. p. 143
2023Globihexapus paxillus Schweitzer et al. p. 7 fig. 2.10

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
—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
genusGlobihexapus
speciespaxillus

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.

†Globihexapus paxillus Schweitzer and Feldmann 2001
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Diagnosis
ReferenceDiagnosis
C. E. Schweitzer and R. M. Feldmann 2001Carapace wider than long, narrowed anteriorly; carapace regions moderately developed; carapace regions finely and intermittently granular; ridges parallel to anterolateral margin composed of peg-like tubercles; orbits directed obliquely toward axis, rimmed with tiny granules; posterolateral reentrants and pos- terior margin with granular rim; branchial regions inflated.
Measurements
No measurements are available
Composition: chitinc
Locomotion: actively mobilec
Life habit: infaunalf
Diet: detritivoresuperf
Vision: well-developedc
Created: 2025-10-02 19:04:41
Modified: 2025-10-02 19:04:41
Source: f = family, superf = superfamily, c = class
References: Aberhan 1992, Fearon and Clapham 2023, Valdez and Clapham 2023

Age range: Burdigalian or 20.45000 to 15.98000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Burdigalian20.45 - 15.98USA (Oregon) Globihexapus paxillus (type locality: 202317)