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- Revision of the Ogygiocaris Araiorhachis Zone (Trilobita, Late Tremadocian) in the Pascha-Incamayo Region, Cordillera Oriental, Argentina
- Experimental Biomechanics on Trinucleid Fringe Pits
- 1610 Viersen.Vp
- Paleontlogy 5: Speciation
- THE STARS of HEAVEN Works by Clifford A
- Annual Meeting 2017
- Fabulous Fossils— 300 Years of Worldwide Research on Trilobites
- Newsletter Number 47
- The Eyes of Trilobites: the Oldest Preserved Visual System
- Species of the Devonian Aulacopleurid Trilobite Cyphaspides from Southeastern Morocco
- 19 Trilobita
- February 2019
- Newsletter 26, 2011
- To Named Or Illustrated Trilobites 484
- Animal Biodiversity: an Outline of Higher-Level Classification and Survey of Taxonomic Richness