| The middle Cambrian cosmopolitan key species Lejopyge laevigata and its biozone: new data from Sweden |
| AXHEIMER, N & ERIKSSON,M & AHLBERG, P & BENGTSSON, A | Cambridge University Press | 2006 |
| The middle Cambrian cosmopolitan key species Lejopyge laevigata and its biozone: new data from Sweden; Geol. Mag. 143(4), 2006, pp. 447-455 |
| Undersöknigar Agnostus laevigatus - Zonen |
| WALLERIUS, I.D. | Lund: Gleerupska Universitetsbokhandeln | 1895 |
| Undersöknigar öfver zonen med Agnostus laevigatus i Vestergötland jämte en inledande öfversikt af Vestergötlands samtliga Paradoixideslager, S. 1-72, 1 Taf., 12 Abb. |
| Erstbeschreibung - Agnostus fallax var. insignis auf Seite 44, Abb. Tafel 1 Fig. 3 |
| Middle Cambrian trilobites of the suborders Agnostina and Eodiscina from the Oslo Region, Norway |
| HØYBERGET, M. & BRUTON, D. L. | Stuttgart | 2008 |
| Middle Cambrian trilobites of the suborders Agnostina and Eodiscina from the Oslo Region, Norway; 12 Tafeln, 9 Abb., 1 Taf., 1-87; Stuttgart 2008 - Sonderdruck PALEONTOGRPHICA Band 286 |
| Beschreibung S. 31, Abb. Tafel 3 Fig. Q |
| Agnostidea of the Middle Cambrian of Sweden |
| Agnostidea of the Middle Cambrian of Sweden
-Serviges Geol. Undersökning No. 477-
1-140, Fig.1-2, Tab.1, Ta.1-16 |
| Beschreibung S. 43, Abb. Tafel 3 Fig. 10-15 |