| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Amphiroa anceps (Lamarck) Decaisne |
Southwest Pacific | ||
| Amphiroa beauvoisii J.V. Lamouroux |
Western Central Atlantic | ||
| Amphiroa compressa M. Lemoine |
Southeast Pacific | ||
| Amphiroa crustiformis Dawson, 1963 |
Southeast Pacific | ||
| Amphiroa foliacea J.V. Lamouroux |
Western Central Pacific | ||
| Amphiroa fragilissima (Linnaeus) J.V. Lamouroux, 1816 |
Indo-Pacific and Western Central Atlantic | ||
| Amphiroa galapagensis W.R. Taylor |
Southeast Pacific | ||
| Amphiroa hancockii W.R. Taylor |
Western Central Atlantic | ||
| Amphiroa rigida J.V. Lamouroux |
Western Central Pacific and Western Central Atlantic | ||
| Amphiroa tribulus (J. Ellis & Solander) J.V. Lamouroux |
Flat twig alga | Western Central Pacific and Atlantic | |
| Amphiroa yendoi De Toni |
Southeast Pacific | ||
| Amphiroa zonata Yendo |
Pacific Ocean |