BIOTA
(living things)

Eukaryota
(eukaryotes)

ANIMALIA
(animals)

EUMETAZOA
(metazoans)

BILATERIA
(bilaterally symmetrical animals)

PROTOSTOMIA
(protostomes)

LOPHOTROCHOZOA
(molluscs and relatives)

TROCHOZOA
(molluscs and worms)

MOLLUSCA
(slugs, snails, bivalves, octopus, sea slugs)

GASTROPODA
(slugs and snails)

PROSOBRANCHIA
(operculate molluscs)

MESOGASTROPODA
(an order of prosobranch gastropods)

LITTORINIDAE
(periwinkles)

Littorina
(periwinkles)

Littorina mariae
(a periwinkle)

Littorina mariae
is also a member of:

Littorina obtusata agg.
(via Littorina mariae)

Invertebrates
(via Mollusca)

BioImages: The Virtual Field-Guide (UK)

Littorina mariae Sacchi & Rastelli (a periwinkle)

Date:	21 March 2008
OS grid ref:	SW83
Lat/Lon:	50° 10' N, 4° 60' W
Location:	Vice County: East Cornwall, VC2, England
Stage or state:	Living animal
Record Summary:	3 brown
Identification Notes:	These could be L. obtusata or L. mariae.

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Unless otherwise expressly stated, all original material on the BioImages website by Malcolm Storey is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 UK: England & Wales Licence.