Template:Clark, 1909e

• Clark, A.H. 1909. A revision of the crinoid families Thalassometridae and Himerometridae. Proceedings of the Biological Society of Washington. 22: 1–22. BHL  
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Nomenclatural acts

• Date of publication: 1909

New names

(List may be incomplete)

• Cosmiometra
• Heterometra