Custom Species Lists
- Melanella sp
- Melanochlamys diomedea
- Melanosiphon intestinalis
- Melanotus cete
- Melinna cristata
- Melinna elisabethae
- Melinna oculata
- Melinna sp
- Melita nitida
- Melita oregonensis
- Melita sp
- Melita sulca
- Melitidae
- Melobesia marginata
- Melobesia mediocris
- Melphidippa amorita
- Melphidippa borealis
- Melphidippa sp
- Melphisana bola
- Membranipora membranacea
- Membranoptera dimorpha
- Membranoptera multiramosa
- Membranoptera platyphylla
- Membranoptera spinulosa
- Membranoptera tenuis
- Membranoptera weeksiae
- Mesochaetopterus sp
- Mesochaetopterus taylori
- Mesocrangon munitella
- Mesophyllum conchatum
- Mesophyllum vancouveriense
- Metacarcinus magister
- Metaphoxus frequens
- Metasychis disparidentatus
- Meterythrops robustus
- Metopa dawsoni
- Metopa sp
- Metopella sp
- Metridia pacifica
- Metridium senile
- Metridium sp
- Metridium sp.
- Microcladia borealis
- Microclymene caudata
- Microjassa litotes
- Microjassa sp
- Microphthalmus sczelkowii
- Microphthalmus sp
- Microphthalmus sp 1
- Micropodarke dubia
- Micropora coriacea
- Microporella sp
- Microporella umbonata
- Microporella vibraculifera
- Microspio pigmentata
- Micrura alaskensis
- Micrura sp
- Mikamiella ruprechtiana
- Minium parvum
- Mitrocomella polydiademata
- Modiolus modiolus
- Modiolus sp
- Molgula pugetiensis
- Molgulidae
- Molpadia intermedia
- Molpadia sp
- Monocorophium acherusicum
- Monocorophium carlottensis
- Monocorophium insidiosum
- Monocorophium sp
- Monocorophium spp.
- Monoculodes sp
- Monostroma fractum
- Monostroma grevillei
- Monostroma grevillei var. arcticum
- Monostylifera
- Monticellina cryptica
- Monticellina dorsobranchialis
- Monticellina secunda
- Monticellina serratiseta
- Monticellina sp
- Monticellina sp N1
- Monticellina tesselata
- Mooresamytha bioculata
- Mopalia cirrata
- Mopalia imporcata
- Mopalia lignosa
- Mopalia muscosa
- Mopalia sp
- Munna fernaldi
- Munna sp
- Munnidae
- Munnogonium sp
- Munnogonium tillerae
- Munnopsurus sp
- Muricidae
- Musculus discors
- Musculus sp
- Musculus taylori
- Mya sp