n = 5
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Pseudophallus brasiliensis | Dawson, 1974 | Genus Species | New species | |
| Pseudophallus elcapitanensis | (Meek & Hildebrand, 1914) | Pseudophallus elcapitanensis | Syngnathidae | |
| Pseudophallus galadrielae | Dallevo-Gomes, Mattox & Toledo-Piza, 2020 | Genus Species | New species | |
| Pseudophallus mindii | (Meek & Hildebrand, 1923) | Pseudophallus mindii | Syngnathidae | |
| Pseudophallus starksii | (Jordan & Culver, 1895) | Pseudophallus starksii | Syngnathidae |