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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
| Year | Name and author |
|---|---|
| 2011 | Birmanites akchiensis Ghobadi Pour et al. pp. 166 - 168 fig. 7a–e |
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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
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Ghobadi Pour et al. 2011 | Cranidium 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. |