Molluscs › Trough Shells

Oblong Otter-shell

Lutraria magna

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Portugal.January 11, February 8, March 5, April 1, May 9, June 5, July 2, August 6, September 2, October 3, November 3, December 8.
Portugal63
Spain58
Andalucía35
AVEIRO24
COIMBRA21
Cataluña/Catalunya13
SETÚBAL10
France8
Comunitat Valenciana7
FARO6

Counts show where people looked, not only where it lives.

Traits

Physical

  • Shell-bearingProtected by a hard shellFrom its classification

Group and habits

  • Filter feederFeeds by filtering suspended food particles from water.From its classification

Classification

KingdomAnimals · Animalia
PhylumMolluscs · Mollusca
ClassBivalves · Bivalvia
OrderVenerida
FamilyTrough Shells · Mactridae
GenusOtter-shells · Lutraria

Sources

Remember the name next time.

Practise Oblong Otter-shell with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.