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  • Homarus americanus

    American lobster

    The American lobster has 10 legs, the first two ending in enormous claws. The left claw is usually bigger and is used for crushing food, while the right one is used for tearing.

    Class
    Crustacea
    Order
    Decapoda
    Family
    Nephropidae
  • Rock crab (Cancer irroratus) and polar sea star (Leptasterias polaris).

    Atlantic rock crab

    The rock crab has a flat, oval, purple or brick-red body. There are nine points on each side of the anterior part of its carapace.

    Class
    Crustacea
    Order
    Decapoda
    Family
    Cancridae
  • Henricia sanguinolenta

    Blood sea star

    This rather soft-bodied sea star is covered with smooth skin. It is brightly coloured, ranging from blood red to orange and sometimes even yellow, mauve or spotted.

    Class
    Asteroidea
    Order
    Spinulosida
    Family
    Echinasteridae
  • Caprellid (Pariambus typicus)

    Caprellids

    There are many species of caprellids, and it is difficult to differentiate one from the other.

    Class
    Crustacea
    Order
    Amphipodes
    Family
    Caprellidae
  • Earthworm, Québec, Canada.

    Common earthworm

    The common earthworm has a long body, divided into segments by transverse rings along its entire body.

    Class
    Oligochaeta
    Order
    Haplotaxidae
    Family
    Lumbricidae
  • Armadillidium vulgare

    Common pillbug

    The pillbug has a grey, segmented, oval body, with seven pairs of legs and two pairs of antennae. This arthropod is a terrestrial crustacean.

    Class
    Crustacea
    Order
    Isopoda
    Family
    Armadillidiidae
  • Common rock barnacle fixed on a rock

    Common rock barnacle

    The common rock barnacle is an arthropod. It appears in two forms: at the larval stage, it is mobile and swims in open water. At the adult stage, it is immobile and attached to a rock.

    Class
    Crustacea
    Order
    Cirripedia
    Family
    Archaeobalanidae
  • A common sand dollar living next to the endoskeleton of a dollar.

    Common sand dollar

    As its name suggests, the common sand dollar resembles a large coin and doesn’t have the five arms that other echinoderms have.

    Class
    Echinoidea
    Order
    Clypeasteroida
    Family
    Echinarachniidea
  • Asterias rubens

    Common sea star

    The common sea star has five round-tipped arms.

    Class
    Asteroidea
    Order
    Forcipulata
    Family
    Asteridae
  • Tortoiseshell limpet on a substrate

    Common tortoiseshell limpet

    The common tortoiseshell limpet, (Tectura testudinalis) also known as the plant limpet, lives by the sea on rocky shorelines.

    Class
    Gasteropoda
    Order
    Patellogastropoda
    Family
    Lottiidae

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