• Laguncula Benson, 1842 [Family: Naticidae, Order: Littorinimorpha]
• Laguncula Fisher, 1881 accepted as Trachelomonas Ehrenberg, 1835 [Family: Euglenidae, Order: Euglenida]
• Laguncula M. Black, 1971 † [Family: , Order: Coccolithophyceae incertae sedis]
• Laguncula van Beneden, 1845 accepted as Farrella Ehrenberg, 1838 [Family: Farrellidae, Order: Ctenostomatida]
• Laguncula dorotheae M. Black, 1971 †
• Laguncula elongata Van Beneden, 1845 accepted as Farrella elongata
• Laguncula kellicottiana Fisher
• Laguncula piscatoris Fisher, 1881
• Laguncula pulchella Benson, 1842
• Laguncula repens Van Beneden, 1845 accepted as Farrella repens (Farre, 1837)
• Lagunculapes Hitchcock, 1858 (uncertain)
• Laguncularia C.F. Gaertner, 1807
• Laguncularia racemosa (L.) C.F. Gaertn.
• Laguncularia rosea Gaud. accepted as Lumnitzera rosea (Gaudich.) C. Presl