IRMNG Taxon list
- Homalaspis plana (H. Milne Edwards, 1834)
- Pelaeus armatus Eydoux & Souleyet, 1842
- Peloeus armatus Eydoux & Souleyet, 1842
- Peloeus cokeri (Rathbun, 1930)
- Platyxanthus balboai Garth, 1940
- Platyxanthus cokeri Rathbun, 1930 accepted as Peloeus cokeri (Rathbun, 1930)
- Platyxanthus crenulatus A. Milne-Edwards, 1879
- Platyxanthus orbignyi (H. Milne Edwards & Lucas, 1843)
- Platyxanthus patagonicus A. Milne-Edwards, 1879
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