Template:Ayres, 1851e

• Ayres, W.O. 1851. [A new Holothurian from George's Bank, belonging to the genus Thyonidium]. Proceedings of the Boston Society of Natural History. 4: 60–61. BHL. 
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Nomenclatural acts

• Date of publication: August 1851

New names (1)

• Thyonidium elongatum