Rocky Shore Taxonomy Flashcards
Phylum; Echinodermata
Class; Ophiuroidea
Genus; Ophiura
Species; Ophiura
Phylum; Echinodermata
Class; Asteroidea
Genus;
Species;
Phylum; Mollusca
Class; Gastropoda
Genus; Patella
Species; Vulgata
NOTE; pink foot = patella ulyssiponesis

Phylum; Echinodermata
Class; Echinoidea
Genus; Echinus
Species; esculentus

Common. No dip in join. Less ruffled plates.
Phylum; Arthropoda
Class; Hexanauplia
Genus; Semibalanus
Species; balanoides

Not found on NE. Dip in join. More ruffles plates.
- Phylum; Arthropoda
- Class; Hexanauplia
- Genus; Chthamalus
- Species; Montagui
8
Shore crab Adults dark green
- Phylum; Arthropoda
- Class; Malacostraca
- Genus; Carcinus
- Species; maenas
Round featureless, reddish brown carapace. Black chelae. Looks like a Cornish pasty.
- Phylum; Arthropoda
- Class; Malacostraca
- Genus; Cancer
- Species; pagurus
Greyish brown on top Dirty yellow beneath Pereopods heavily setose.
- Phylum; Arthropoda
- Class; Malacostraca
- Genus; Porcellana
- Species; Platyches
Greenish tinted
- Phylum; Arthropoda
- Class; Malacostraca
- Genus; Diogenes
- Species; Pugilator
6
Devil crab
- Phylum; Arthropoda
- Class; Malacostraca
- Genus; Necora
- Species; Puber
Common intertidal. Big and dark red/ brown. Violet tips of spines.
- Phylum; Echinodermata
- Class; Echinoidea
- Genus; Psammechinus
- Species; Miliaris
- Phylum; Mollusca
- Class; Gastropoda
- Genus; Nucella
- Species; Lapillus

- Phylum; Mollusca
- Class; Gastropoda
- Genus; Littorina
- Species; Littorea

- Phylum; Arthropoda
- Class; Malacostraca
- Genus; Pisidia
- Species; Longicornis
Small carapace = >1cm\
Unequal chelipeds
Long and slender antennae

Phylum; Echinodermata
Class; Ophuroided
Genus; Ophiothrix
Species; fragilis
2 cm disc, dark horizontal bands on arms, orange gonads expand ventral side between arms.

Phylum; Chordata
Class; Ascidiarcea
Genus; Ciona
Species; Intestinalis
Soft translucent test, pale yellow-green, cylindrical

- Ochrophyta
- Phaeophyceae
- Laminaria digitata
- Ochrophyta
- Phaeophyceae
- Fucus serratus
- Ochrophyta
- Phaeophyceae
- Saccharina latissima
- Long unidivided frond.
- No midrib.
- Short stipe.
- Ochrophyta
- Phaeophycecae
- Laminaria hyperborea
- Stiff, rough, texured, oval stipe.
- Broad, tough, flat blade which is divided into 5-20 straps.
- Ochrophyta
- Phaeophyceae
- Fucus vesiculosis
- Ochrophyta
- Phaeophyceae
- Fucus spiralis
- ridge along recpeticles
- no air bladders
- Ochrophyta
- Phaeophyceae
- Ascophyllum nodosum
- Long strap like frond
- No air bladders
- Rhodophyta
- Florideophyceae
- Polysiphonia lanosa
- Epiphyte on ascophyllum nodosum
- Ochrophyta
- Phaeophytaceae
- Pelvetia canaliculata
- Fronds are curled longitudinally
- Rhodophyta
- Florideophyceae
- Mastocarpus stellatus
- Rhodophyta
- Florideophyceae
- Chondrus crispus
- purpleish / red
- dichotomous fronds
- Rhodophyta
- Florideophyceae
- Osmundea pinnatifida
- alternate branching
- branches becoming shorter towards apex
- Rhodophyta
- Florideophyceae
- Osmundea hybrida
- dark purpleish to greenish yellow fronds
- mostly alternate branching

- Mollusca
- Gastropoda
- Littorina saxatilis
- rougher shell than L.littorea

- Mollusca
- Gastropoda
- Littorina obtusata
- body whirl slightly larger than aperture
- flat top with minimal spire
- smaller aperture and taller spire than littorina mariae

- Rhodophyta
- Florideophyceae
- Gelidium
- genus of thalloid red algae

- Rhodophyta
- Florideophyceae
- Dumontia contorta
- discoid base
- tubular, cylindrical or compressed
- irregulay branched
- axis and branches tapered at both ends, irregulay swollen and often twisted

- Mollusca
- Gastropoda
- Littorina mariae
- apperture larger (hangs down) and body whirl even flatter than littorina obtusata (no step up)
- Mollusca
- Gastropoda
- Gibbula cineraria
- fine purple stripes
- grey topped

- Mollusca
- Gasropoda
- Gibbula umbilicalis
- broad diagonal reddish / purple stripes
- silver topped
- Chlorohyta
- Ulvophyceae
- Cladophora rupestris
- densely tufted
- coarse feel
- thallus is uniserate
- cell in a single row
- Chlorophyta
- Ulvophyceae
- Cladophora pellucida
- Chlorophyta
- Ulvophyceae
- Ulva lactuca
- broad crumpled frond
- tough and translucent
- disc like holdfast

- Chlorophyta
- Ulvophyceae
- Ulva lactuca
- gut weed

- Chlorophyta
- Ulvophyceae
- Chaetomorpha linum
- bright green
- filaments are stiff and curled
- Annelida
- Polychaeta
- Pomatoceros triqueter
- Annelida
- Polychaeta
- Spirorbis
- Cnidaria
- Anthozoa
- Actina equina
- Bryazoa
- Gymnolaemata
- Membraniporidae membranacea
- lact patches
- smooth and round
- rectangular zooids
- Bryazoa
- Gymnolaemata
- Electra pilosa
- half of the front of the zooid calcified
- jagged

- Ochrophyta
- Pheophyceae
- Saccorhiza polyschides

- Echinodermata
- Ophiuroidea
- Ophiura ophiura

- Porifera
- Demospongiae
- Halichondria panicea

- Cnidaria
- Anthozoa
- Alcyonium digitatum

- Rhodophyta
- Florideophyceae
- Corallina officinalis