Comparative measurements of <i>Orthopyxis caliculata</i>, <i>Orthopyxis mianzani</i> (mean±standard error [range]) and specimens of <i>Orthopyxis integra</i> from the National Museum of Natural History, Smithsonian Institution.

Np = number of polyps measured; Ng = number of gonothecae measured (N = when different number). The measures of diameter and perisarc thickness were obtained from the position of maximum perisarc thickness (broad view). *Information not obtained. **USNM17834. ***USNM1106184. Comparative measurements of Orthopyxis caliculata, Orthopyxis mianzani (mean±standard error [range]) and specimens of Orthopyxis integra from the National Museum of Natural History, Smithsonian Institution.