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

Birmanites akchiensis

Trilobita - Asaphida - Asaphidae

Taxonomy
Birmanites akchiensis was named by Ghobadi Pour et al. (2011). Its type specimen is NMW 2005.32G.181 (external mould of cranidium) and is a 3D body fossil. Its type locality is 203b. Karugach Section. East side of Ayaguz River, about 7 km north of Akchii, which is in a Katian carbonate sandstone/siltstone in the Karagach Formation of Kazakhstan.

Sister species lacking formal opinion data

Synonymy list
YearName and author
2011Birmanites akchiensis Ghobadi Pour et al. pp. 166 - 168 fig. 7a–e

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
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
genusBirmanitesSheng 1934
speciesakchiensis

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.

Birmanites akchiensis Ghobadi Pour et al. 2011
show all | hide all
Diagnosis
ReferenceDiagnosis
M. Ghobadi Pour et al. 2011Cranidium of about equal length and width, with broadly and evenly rounded anterior margin; preglabellar field smooth, with very weakly expressed longitudinal median ridge; pygidium about 70% as long as wide, with axis occupying 20% of pygidial width and 75% of maximum pygidial length, and terminating with a short postaxial ridge; axial furrows are shallow and wide, almost straight; 12 well-defined axial rings; pleural field flattened, with six pairs of pleural ribs which do not reach border.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Spines: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-08 11:58:11
Modified: 2009-06-08 13:58:11
Source: g = genus, f = family, o = order, c = class
References: Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009

Age range: Katian or 453.00000 to 445.20000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Katian453.0 - 445.2Kazakhstan Birmanites akchiensis (162198 type locality: 162199)