Cleavage Delay in Ultraviolet-Irradiated Sand Dollar Zygotes Identifier: 10616 Title: Cleavage Delay in Ultraviolet-Irradiated Sand Dollar Zygotes Author: John S. CookNew York University Date: 1962 Species: Echinarachnius parmaSand dollar Type: Bulletin, Report Bulletin: Volume 05 - 1962-1964 Report: 8 Citation “Cleavage Delay in Ultraviolet-Irradiated Sand Dollar Zygotes,” MDI Biological Laboratory, accessed March 16, 2026, https://digitalarchive.mdibl.org/items/show/999.Item 10616 Save this item as a PDF file