![Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12542-017-0339-7/MediaObjects/12542_2017_339_Fig9_HTML.jpg)
Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink
![Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12542-017-0339-7/MediaObjects/12542_2017_339_Fig23_HTML.jpg)
Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink
![Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain | Geological Magazine | Cambridge Core Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain | Geological Magazine | Cambridge Core](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary-alt:20160626054744-22096-mediumThumb-S0016756812000416_fig1g.jpg?pub-status=live)
Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain | Geological Magazine | Cambridge Core
![Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12542-017-0339-7/MediaObjects/12542_2017_339_Fig6_HTML.jpg)
Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink
![Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12542-017-0339-7/MediaObjects/12542_2017_339_Fig13_HTML.jpg)
Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna | SpringerLink
![Exotic trilobites from the Lower–Middle Cambrian boundary interval in Morocco and their bearing on the Cambrian Series 3 lower boundary | SpringerLink Exotic trilobites from the Lower–Middle Cambrian boundary interval in Morocco and their bearing on the Cambrian Series 3 lower boundary | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12542-014-0254-0/MediaObjects/12542_2014_254_Fig12_HTML.jpg)
Exotic trilobites from the Lower–Middle Cambrian boundary interval in Morocco and their bearing on the Cambrian Series 3 lower boundary | SpringerLink
![PDF) Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain PDF) Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain](https://www.researchgate.net/profile/Jose-Javier-Alvaro/publication/243459001/figure/fig3/AS:298419777228805@1448160227598/Taphonomic-features-of-the-Guzhangian-siliceous-concretions-of-the-Valtorres-Formation-at_Q320.jpg)
PDF) Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain
![Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain | Geological Magazine | Cambridge Core Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain | Geological Magazine | Cambridge Core](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary-alt:20160626054737-14568-mediumThumb-S0016756812000416_fig2g.jpg?pub-status=live)
Guzhangian (mid Cambrian) trilobites from siliceous concretions of the Valtorres Formation, Iberian Chains, NE Spain | Geological Magazine | Cambridge Core
![Exotic trilobites from the Lower–Middle Cambrian boundary interval in Morocco and their bearing on the Cambrian Series 3 lower boundary | SpringerLink Exotic trilobites from the Lower–Middle Cambrian boundary interval in Morocco and their bearing on the Cambrian Series 3 lower boundary | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12542-014-0254-0/MediaObjects/12542_2014_254_Fig7_HTML.jpg)
Exotic trilobites from the Lower–Middle Cambrian boundary interval in Morocco and their bearing on the Cambrian Series 3 lower boundary | SpringerLink
![Exotic trilobites from the Lower–Middle Cambrian boundary interval in Morocco and their bearing on the Cambrian Series 3 lower boundary | SpringerLink Exotic trilobites from the Lower–Middle Cambrian boundary interval in Morocco and their bearing on the Cambrian Series 3 lower boundary | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12542-014-0254-0/MediaObjects/12542_2014_254_Fig6_HTML.jpg)