perekond
Angulotreta Palmer, 1954
Valik taksonit käsitlevast teaduskirjandusest
Holmer, H., Popov, L. E. 1990. The acrotretacean brachiopod Ceratreta tanneri (Metzger) from the Upper Cambrian of Baltoscandia.  GFF   112,   3,   249-263. DOI:10.1080/11035899009454772
Popov, L. E., Khazanovich, K. K. 1989. Lingulata (inarticulate brachiopods with phosphate-calcium shell).  The Key sections and stratigraphy of the phosphate bearing Obolus beds of the North-East of the Russian platform, pp. 96-136.   Nauka. 
Leitud liigid
1. Angulotreta postapicalis Palmer, 1954 | Ülem-Kambrium (endine liigestus)
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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Brachiopoda | 
| alamhõimkond | Linguliformea | 
| klass | Lingulata | 
| selts | Acrotretida | 
| ülemsugukond | Acrotretoidea | 
| sugukond | Acrotretidae | 
| perekond | Acrotreta | 
| Angulotreta | |
| liik | postapicalis | 
| perekond | Conotreta | 
| Cyrtonotreta | |
| Dactylotreta | |
| Ditreta | |
| Eschatelasma | |
| Eurytreta | |
| Hisingerella | |
| Linnarssonia | |
| Longipegma | |
| Neotreta | |
| Ottenbyella | |
| Physotreta | |
| Quadrisonia | |
| Semitreta | |
| Spondylotreta | |
| Treptotreta | |
| Vandalotreta | 
 See also