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

Yunnanocephalus planifrons

Trilobita - Redlichiida - Yunnanocephalidae

Taxonomy
Yunnanocephalus planifrons was named by Luo (1981). It is not extant. Its type locality is Meishucun, Jm-22-1, which is in a Nangaoian marine siltstone/mudstone in the Yuanshan Formation of China.

Sister species lacking formal opinion data
Y. longioccipitalis

Synonymy list
YearName and author
1981Yunnanocephalus planifrons Luo

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderRedlichiinaRichter 1932
superfamilyEllipsocephaloideaLin 1990
familyYunnanocephalidaeHupé 1953
genusYunnanocephalusKobayashi 1936
speciesplanifrons

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: fast-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-19 04:37:16
Modified: 2009-12-19 06:37:16
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009

Age range: Nangaoian or 521.00000 to 514.50000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Nangaoian521.0 - 514.5China (Yunnan) Yunnanocephalus planifrons (type locality: 128438 128439)