McNamara, K. J. (1983). The Earliest Tegulorhynchia (Brachiopoda: Rhynchonellida) and Its Evolutionary Significance. Journal of Paleontology. 57(3): 461-473.
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McNamara, K. J.
1983
The Earliest Tegulorhynchia (Brachiopoda: Rhynchonellida) and Its Evolutionary Significance