Eulalia mustela
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 5,299
Described in 1987
18 species
Reimeria sinuata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 2,874
Surirella brebissonii
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,226
Leitoscoloplos mammosus
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 1,140
Eumida ockelmanni
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 833
Tubificoides galiciensis
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 716
Iphimedia spatula
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 381
Eulalia expusilla
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 333
Staurosirella pinnata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 333
Pseudostaurosira brevistriata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 242
Iphimedia perplexa
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 229
Helicotheca tamesis
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 171
Iphimedia nexa
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 158
Achalcus vaillanti
- Group
- True flies
- Peak month
- June
- Records since 2000
- 153
Glycera celtica
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 145
Xylella fastidiosa
- Group
- Microorganisms and protists
- Peak month
- May
- Records since 2000
- 122
Corynoptera furcifera
- Group
- True flies
- Peak month
- June
- Records since 2000
- 85
Pirellula staleyi
- Group
- Microorganisms and protists
- Peak month
- January
- Records since 2000
- 64