• Ophiothrix (Ophiothrix) angulata (Say, 1825)
• Ophiothrix (Ophiothrix) ciliaris (Lamarck, 1816)
• Ophiothrix alopecurus Müller & Troschel, 1842 accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789)
• Ophiothrix angulata (Say, 1825) represented as Ophiothrix (Ophiothrix) angulata (Say, 1825)
• Ophiothrix cotteaui (de Loriol, 1900)
• Ophiothrix ferussacii (Delle Chiaje, 1828) accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789)
• Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789)
• Ophiothrix indigna Koehler, 1906 accepted as Ophiothrix cotteaui (de Loriol, 1900)
• Ophiothrix inducta Koehler, 1906 accepted as Ophiothrix maculata Ljungman, 1872
• Ophiothrix luetkeni Wyville Thomson, 1873
• Ophiothrix lusitanica Ljungman, 1872 accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789)
• Ophiothrix maculata Ljungman, 1872
• Ophiothrix quinquemaculata (Delle Chiaje, 1828)
• Ophiothrix rammelsbergii Müller & Troschel, 1842 accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789)
• Ophiothrix rubra Ljungman, 1872 accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789)