Aequorea aequorea (Forsskål, 1775) accepted as Aequorea forskalea Péron & Lesueur, 1810 (additional source)
Amaroucium constellatum Verrill, 1871 accepted as Aplidium constellatum (Verrill, 1871) (basis of record)
Aurelia aurita (Linnaeus, 1758) (additional source)
Beroe cucumis Fabricius, 1780 (additional source)
Botryllus schlosseri (Pallas, 1766) (additional source)
Bowerbankia gracilis Leidy, 1855 accepted as Amathia gracilis (Leidy, 1855) (additional source)
Catablema vesicarium (A. Agassiz, 1862) (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Cliona celata Grant, 1826 (additional source)
Cryptosula pallasiana (Moll, 1803) (additional source)
Cyanea capillata (Linnaeus, 1758) (additional source)
Eudendrium ramosum Van Beneden, 1844 accepted as Bougainvillia muscus (Allman, 1863) (additional source)
Gonionemus vertens A. Agassiz, 1862 (additional source)
Haliclona permollis (Bowerbank, 1866) accepted as Haliclona (Reniera) cinerea (Grant, 1826) (additional source)
Homarus americanus H. Milne Edwards, 1837 (additional source)
Leptosynapta inhaerens (O.F. Müller, 1776) (additional source)
Melicertum octocostatum (M. Sars, 1835) (additional source)
Nereis pelagica Linnaeus, 1758 (additional source)
Obelia geniculata (Linnaeus, 1758) (additional source)
Pedicellina cernua (Pallas, 1774) (additional source)
Polymastia robusta Bowerbank, 1862 accepted as Polymastia boletiformis (Lamarck, 1815) (additional source)
Potamilla reniformis (Bruguière, 1789) accepted as Pseudopotamilla reniformis (Bruguière, 1789) (additional source)
Salpa fusiformis Cuvier, 1804 (additional source)
Schizoporella unicornis (Johnston in Wood, 1844) (additional source)
Tima formosa L. Agassiz, 1862 (additional source)