Phacops
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- B-54 Geology and Mineral Resources of the Paleozoic Area in Northwest
- A Pictorial Guide to the Orders of Trilobites
- Ohio Fossils
- 1515 Morzadec.Vp
- A Revision of the Trilobite Dalmanitina Mucronata (Brongniart) and Related Species 5
- 1610 Viersen.Vp
- A New Early Devonian Spinose Phacopid Trilobite from Limekilns, New South Wales: Morphology, Affinities, Taphonomy and Palaeoenvironment
- Ohio Trilobites
- The Lifestyles of the Trilobites
- Fabulous Fossils— 300 Years of Worldwide Research on Trilobites
- Looking at Fossils Key Concept Fossils Provide Evidence of How Life and 1 Environmental Conditions Have Changed
- Middle Devonian) of Ohio, Michigan, and Indiana: Xct Reveals Detailed Anatomical Information
- Famennian Phacopidae from the Holy Cross Mountains (Poland)
- February 2019
- Geology of the Jonesboro 15-Minute Quadrangle, Southwestern Illinois
- The Distribution of Phacopid Trilobites in Space and Time I'