selts
Orthothecida Marek, 1966
Valik taksonit käsitlevast teaduskirjandusest
Malinky, J. M., Eriksson, M. E., Ahlberg, P. 2009. ‘Mediterranean Province' hyoliths from the middle Cambrian and Upper Ordovician of Sweden. GFF 131, 4, 281-291. DOI:10.1080/11035890903458693
Malinky, J. M., Berg-Madsen, V. 1999. A revision of Holm's Early and Early Mid Cambrian hyoliths of Sweden. Palaeontology 42, 1, 25-65. DOI:10.1111/1475-4983.00061
Dzik, J. 1980. Ontogeny of Bactrotheca and related hyoliths. GFF 102, 3, 223-233. DOI:10.1080/11035898009455162
Leitud liigid
2. Bactrotheca dens (Holm, 1893) | Uhaku lade
3. Bactrotheca quadrangularis (Holm, 1893) | Ordoviitsium
5. Decoritheca affinis (Holm, 1893) | Kesk-Kambrium (endine liigestus)
8. Quadrotheca quadrangularis (Holm, 1893) | Kunda lade
9. Semielliptotheca rosmara (Holm, 1893) | Kunda lade
10. Trapezotheca aemula (Holm, 1893) | Kunda lade
11. Trapezotheca dens (Holm, 1893) | Kunda lade
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Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Mollusca |
| klass | Hyolitha |
| selts | Aimitidae |
| Allathecidae | |
| Hyolithida | |
| Orthothecida | |
| sugukond | Novitatidae |
| Orthothecidae | |
| Quadrothecidae | |
| Circothecidae |