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

Pseudocalymene quadrata

Trilobita - Corynexochida - Leiostegiidae

Taxonomy
Eucalymene quadrata was named by Lu (1975). Its type specimen is NI 16987, an exoskeleton, and it is a 3D body fossil.

It was recombined as Pseudocalymene quadrata by Zhou et al. (1998).

Synonymy list
YearName and author
1975Eucalymene quadrata Lu
1998Pseudocalymene quadrata Zhou et al.

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

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderCorynexochida
suborderLeiostegiinaBradley 1925
superfamilyLeiostegioideaBradley 1925
familyLeiostegiidaeBradley 1925
genusPseudocalymenePillet 1974
speciesquadrata(Lu 1975)

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.

show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedf
Created: 2009-12-14 06:30:50
Modified: 2009-12-14 08:30:50
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009

Age range: base of the Llanvirn to the top of the Arenig or 468.00000 to 466.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Arenig478.6 - 466.0China (Xinjiang) Pseudocalymene quadrata (170838)
Llanvirn468.0 - 458.4China (Xinjiang) Pseudocalymene quadrata (170841 170842)