| [22971] Meuniera | Appellations de Taxon | 22971 |
| [22972] Microspio | Appellations de Taxon | 22972 |
| [22973] Modiolus adriaticus | Appellations de Taxon | 22973 |
| [22974] Modiolus modiolus | Appellations de Taxon | 22974 |
| [22975] Monostroma grevillei | Appellations de Taxon | 22975 |
| [22976] Paraeuchaeta | Appellations de Taxon | 22976 |
| [22977] Monostroma obscurum | Appellations de Taxon | 22977 |
| [22978] Mystides | Appellations de Taxon | 22978 |
| [22979] Naviculineae | Appellations de Taxon | 22979 |
| [2298] Wormaldia pulla | Appellations de Taxon | 2298 |
| [22980] Nephtys assimilis | Appellations de Taxon | 22980 |
| [22981] Nephtys caeca | Appellations de Taxon | 22981 |
| [22982] Nephtys cirrosa | Appellations de Taxon | 22982 |
| [22983] Nephtys hombergii | Appellations de Taxon | 22983 |
| [22984] Nephtys hystricis | Appellations de Taxon | 22984 |
| [22985] Nephtys incisa | Appellations de Taxon | 22985 |
| [22986] Nephtys kersivalensis | Appellations de Taxon | 22986 |
| [22987] Nephtys longosetosa | Appellations de Taxon | 22987 |
| [22988] Nereis rava | Appellations de Taxon | 22988 |
| [22989] Nerine | Appellations de Taxon | 22989 |
| [2299] Wormaldia subnigra | Appellations de Taxon | 2299 |
| [22992] Oxytoxum | Appellations de Taxon | 22992 |
| [22993] Palaeophalacroma | Appellations de Taxon | 22993 |
| [22994] Paraeuchaeta hebes | Appellations de Taxon | 22994 |
| [22995] Parvicardium | Appellations de Taxon | 22995 |
| [22996] Pedinellales | Appellations de Taxon | 22996 |
| [22997] Peridiniella | Appellations de Taxon | 22997 |
| [22998] Peridinium quinquecorne | Appellations de Taxon | 22998 |
| [22999] Phalacroma | Appellations de Taxon | 22999 |
| [23] Amphinemura standfussi | Appellations de Taxon | 23 |
| [230] Plectrocnemia geniculata | Appellations de Taxon | 230 |
| [2300] Wormaldia triangulifera | Appellations de Taxon | 2300 |
| [23000] Phoronis muelleri | Appellations de Taxon | 23000 |
| [23001] Phoronis psammophila | Appellations de Taxon | 23001 |
| [23002] Phyllodoce lamelligera | Appellations de Taxon | 23002 |
| [23003] Phyllodoce laminosa | Appellations de Taxon | 23003 |
| [23004] Phyllodoce longipes | Appellations de Taxon | 23004 |
| [23005] Phyllodoce madeirensis | Appellations de Taxon | 23005 |
| [23006] Hydractinia | Appellations de Taxon | 23006 |
| [23007] Podon leuckartii | Appellations de Taxon | 23007 |
| [23008] Polycirrus | Appellations de Taxon | 23008 |
| [23009] Polydora cornuta | Appellations de Taxon | 23009 |
| [2301] Wormaldia variegata | Appellations de Taxon | 2301 |
| [23010] Polydora hoplura | Appellations de Taxon | 23010 |
| [23011] Polygordius lacteus | Appellations de Taxon | 23011 |
| [23012] Polykrikos kofoidii | Appellations de Taxon | 23012 |
| [23013] Polyprionidae | Appellations de Taxon | 23013 |
| [23014] Prionospio | Appellations de Taxon | 23014 |
| [23015] Prorocentrum lima | Appellations de Taxon | 23015 |
| [23016] Prorocentrum micans | Appellations de Taxon | 23016 |