Pohowsky, R. A. (1978). The boring Ctenostomate Bryozoa: taxonomy and paleobiology based on cavities in calcareous substrata. Bulletins of American Paleontology. 73: 1-192.
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Pohowsky, R. A.
1978
The boring Ctenostomate Bryozoa: taxonomy and paleobiology based on cavities in calcareous substrata