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Holocephalina trapezia

Trilobita - Holocephalinidae

Taxonomy
Holocephalina trapezia was named by Yang et al. (1993). It is not extant. Its type locality is Xiuzigou, bed 4, which is in a Taijangian offshore shelf limestone in the Fengjia'ao Formation of China.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1993Holocephalina trapezia Yang et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
Life
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyHolocephalinidaeHupé 1953
genusHolocephalinaSalter 1864
speciestrapezia

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.

Holocephalina trapezia Yang et al. 1993
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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-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: blindf
Created: 2010-01-04 12:55:26
Modified: 2010-01-04 14:55:26
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: Taijangian or 513.00000 to 505.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Taijangian513.0 - 505.0China (Henan) Holocephalina trapezia (type locality: 127072)