| Microstomum album (Attems, 1897) | 1913 or earlier | | | slow moving bertween plants and hydroids on beaches of Denmark, Helgoland and ? [Graff questions] Banyuls-sur-mer. |
| Polycystis mamertina (Graff, 1874) | 1913 or earlier | | | |
| Myozonaria bistylifera Rieger, 1968 | Oct 1966 | 4 m | moderate detritus, fine sand | common in the Mediterranean. Le Troc. Juveniles. |
| Vannuccia campana Ehlers & Ehlers, 1980 | Sep 1954 | | coarse sand, pebbles | Several animals. leg. P. Ax. |
| Baicalellia beauchampi (Ax, 1956) | 1956 or earlier | | | southern france. |
| Archilina endostyla Ax, 1959 | 1959 or earlier | | | from Ax 1959. |
| Archilina deceptoria Martens & Curini-Galletti, 1994 | Oct 1987 | 6 m | coarse sand | |
| Syndesmis echiniacuti Kozloff, 1997 | 1997 or earlier | 105 m | | found in the intestine of Echinus acutus. Collected at depth of 105 meters near Banyuls-sur-Mer and Port Vendres, France |
| Karkinorhynchus (Karkinorhynchides) tetragnathus Ax & Schilke, 1971 | Apr-May 1952 | | | Die Art lebt in der Bucht von Banyuls in Grobsand Kies des Brandungsufers zusammen mit det Otoplanide Archotoplana holotricha Ax, 1956. Sie ist ökologisch ein typisches Faunenelement der Otoplanen Zone. |
| Paromalostomum mediterraneum Ax, 1955 | 2008 or earlier | | fine sand | Bucht von Banyuls-sur-Mer. Feinsand der Uferzone vor dem Laboratoire Arago der Universität Paris. |
| Archotoplana holotricha Ax, 1956 | 1956 or earlier | | | Die Körperlänge wurde am Mittelmeer (Banyuls sur Mer) zu 3 mm bestimmt. |
| Postbursoplana fibulata Ax, 1956 | 1956 or earlier | | | Vom Mittelmeer (Banyuls sur Mer) aus der Otoplanen-Zonen beschrieben.... |
| Triporoplana synsiphonioides Ax, 1956 | 1956 or earlier | | | Geröllstrand in einer Felsbucht bei Banyuls sur Mer. |
| Fonticola vitta (Duges, 1830) | 1927 | | | La souche Banyuls, également de 1927, oú la sexualité plus irréguliere n'acheve pas son évolution, ........ |
| Fonticola vitta (Duges, 1830) | 1932 | | | |
| Fonticola vitta (Duges, 1830) | 1934 | | | |
| Fonticola vitta (Duges, 1830) | 1933 | | | |
| Syndesmis echinorum Francois, 1886 | 1886 or earlier | | | from Echinus acutus (Echinidae). |
| Syndesmis echinorum Francois, 1886 | 1886 or earlier | | | from Paracentrotus lividus (Strongylocentrotidae). |