gastéropodes

Nom ▼	Type	Notoriété	Popularité
Orthonychia	Taxon	2	0.0
Orthonematoidea	Taxon	3	0.0
Orthogastropoda	Taxon	16	1.7
Orania	Taxon	6	0.2
Opisthobranchia	Taxon	31	6.0
Ophiolamia	Taxon	4	0.0
Ophieulima	Taxon	4	0.0
Opeatostoma Pseudodon	Taxon	8	0.2
Onchidoris Neapolitana	Taxon	5	0.2
Onchidoris	Taxon	10	0.3
Onchidoridoidea	Taxon	8	0.5
Onchidorididae	Taxon	11	0.2
Onchidium	Taxon	10	0.0
Onchidiidae	Taxon	15	0.1
Onchidella Celtica	Taxon	6	0.6
Omphalotropis Rubens	Taxon	5	0.0
Olivoidea	Taxon	8	0.2
Olividae	Taxon	17	2.9
Olivellinae	Taxon	6	0.0
Olivellidae	Taxon	3	0.4
Olivella Tergina	Taxon	9	0.0
Olivella	Taxon	8	0.3
Olivancillaria Urceus	Taxon	7	0.4
Oliva Oliva	Taxon	10	0.4
Oliva	Taxon	14	1.6
Oleacinidae	Taxon	7	0.7
Oleacina Guadeloupensis	Taxon	6	0.2
Okenia Nakamotoensis	Taxon	6	0.0
Okenia (mollusques)	Taxon	9	0.1
Odostomia	Taxon	10	0.1
Ocinebrina Edwardsii	Taxon	6	0.1
Ocinebrina	Taxon	8	0.3
Ocinebrellus Inornatus	Taxon	6	1.4
Ocenebrinae	Taxon	8	0.4
Ocenebra Erinacea	Taxon	15	2.3
Ocenebra Brevirobusta	Taxon	7	0.0
Ocenebra	Taxon	11	0.4
Oceanida	Taxon	7	0.1
Obscurella	Taxon	4	0.1
Nudipleura	Taxon	16	0.3
Nudibranchia	Taxon	49	32.8
Nucleolaria	Taxon	7	0.4
Nucella Ostrina	Taxon	6	0.3
Nucella Lapillus	Taxon	20	4.4
Nucella Lamellosa	Taxon	9	0.4
Nucella Emarginata	Taxon	10	0.2
Nucella Canaliculata	Taxon	8	0.4
Nucella	Taxon	13	0.5
Noumeaella	Taxon	6	0.2
Noumea	Taxon	5	0.1