Adrain, J. M.,; Lee, D.-C.; Westrop, S. R.; Chatterton, B. D. E.; Landing, E. (2003). Classification of the trilobite subfamilies Hystricurinae and Hintzecurinae subfam. nov., with new genera from the Lower Ordovician (Ibexian) of Idaho and Utah. Memoirs of the Queensland Museum. 48(2): 553-586.
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Adrain, J. M.,; Lee, D.-C.; Westrop, S. R.; Chatterton, B. D. E.; Landing, E.
2003
Classification of the trilobite subfamilies Hystricurinae and Hintzecurinae subfam. nov., with new genera from the Lower Ordovician (Ibexian) of Idaho and Utah