Trigloporus lastoviza (Bonnaterre, 1788)
Tripterygion delaisi Blache, 1970
Trisopterus luscus (Linnaeus, 1758)
Trisopterus minutus (Linnaeus, 1758)
Tritonia nilsodhneri Marcus, 1983
Trivia arctica (Pulteney, 1799)
Trivia monacha (da Costa, 1778)
Trypanosyllis zebra (Grube, 1840)
Turritella communis Risso, 1826
Turritella monterosatoi (Kobelt, 1887)
Turritella turbona Monterosato, 1877
Tursiops truncatus (Montagu, 1821)
Tylodina perversa (Gmelin, 1791)
Uca tangeri (Eydoux, 1835)
Ulva lactuca Linnaeus, 1753
Ulva rigida Agardh, 1823
Umbraculum mediterraneum (Lamarck, 1819)
Upogebia pusilla (Petagna, 1792)
Uranoscopus scaber Linnaeus, 1758
Urticina felina (Linnaeus, 1761)
Valonia utricularis (Roth) C. Agardh, 1823
Velella velella (Linnaeus, 1758)
Venus verrucosa Linnaeus, 1758
Veretillum cynomorium (Pallas, 1766)
Vermetus triquetrus Bivona, 1832
Vermiliopsis infundibulum (Philippi, 1844)
Verruca stroemia O.F. Müller, 1776
Verrucaria maura Wahlenberg, 1803
Xantho incisus (Leach, 1814)
Xantho pilipes A. Milne-Edwards, 1867
Xiphias gladius Linnaeus, 1758
Xyrichtys novacula (Linnaeus, 1758)
Zeugopterus punctatus (Bloch, 1787)
Zeugopterus regius (Bonnaterre, 1788)
Zeus faber Linnaeus, 1758
Ziphius cavirostris Cuvier, 1823
Zostera marina Linnaeus, 1753
Zostera noltii Hornemann, 1832