Rowell, A.J.; Henderson, R.A. (1978). New genera of acrotretids from the Cambrian of Australia and the United States. University of Kansas Paleontological Contributions. 93: 1-12, 2 plates.
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Rowell, A.J.; Henderson, R.A.
1978
New genera of acrotretids from the Cambrian of Australia and the United States
University of Kansas Paleontological Contributions