development

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Development of the Brachiopoda
Charles Emerson Beecher

American Journal of Science April 1891, s3-41 (244) 343-357; DOI: https://doi.org/10.2475/ajs.s3-41.244.343
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Note on the development of Olenellus asaphoides.
Silas Watson Ford

American Journal of Science February 1878, s3-15 (86) 129-130; DOI: https://doi.org/10.2475/ajs.s3-15.86.129