Marine Organisms Identification

Vocabulary flashcards covering species names and distinguishing characteristics from intertidal species identification notes.

Actinia equina

Beadlet anemone, pink/red

Saccorhiza polyschides

Big thick seaweed, green-brown, bobbly bits on the end

Himanthalia elongata

Long brown thin seaweed fronds, small circular receptors at the end

Xanthoria parietina

Crust, yellow lichen on top of rocks

Ascophyllum nodosum

Egg wrack, thin fronds, air bladders

Cereus pedunculatus

Daisy anemone

Fucus serratus

Saw wrack, wide teeth, flat, no air bladders

Porphyra purpurea

Seaweed, brown, thin, sheet-like

Pelvetia canaliculata

Channelled wrack with rolled edges

Pomatoceros triqueter

Worm casing tube

Mytilus edulis

Mussel, black

Littorina saxatilis

Rough periwinkle, no spire

Nucella lapillus

Dogwhelk, oval shape, thick lip

Steromphala umbilicalis

Flat shell with a hole in the center and purple bands

Patella vulgata

Grey, smooth limpet

Ulva lactuca

Sea lettuce

Corallina officinalis

Purple, stony seaweed

Anemonia viridis

Brown sea anemone with bits sticking out

Patella depressa

Spiky limpet

Fucus vesiculosus

Seaweed with branched dichotomous fronds and air bladders

Littorina obtusata

Flat periwinkle, olive yellow, no spire

Palmaria palmata

Red, flat fronds, dichotomously branched seaweed

Laminaria digitata

Brown seaweed, big stick

Mastocarpus stellatus

Crispy dark seaweed

Gracilaria gracilis

Stringy reddish seaweed

trivia monacha

small grey ish shell, orange underneath

ulva intestinalis

small green gut weed

littorina littorea

common periwinkle, grey brown rough

porcellana platycheles

flattened hairy body small

chondrus crispus

irish moss

tritia reticulata

pointy dog whelk

carcinas maenas

green shore crab

oceanebra erinaceus

sculptured shell, conical spire

trivia arctica

arctic cowrie, like orange blobs but no spots

cancer pagarus

brown crab

steromphala cineria

grey top shell, no tooth no hole

pelvetia caniculata

channel wrack, inrolled fronds

crepdula fornicata

stacks of several animals, limpets

osmundea pinnatifida

fern like, reddish brown, pepper dulse