APHOTOMARINE
An educational resource dedicated mainly to the photography
and diversity of marine life that can be found in coastal waters
and intertidal areas of Great Britain and Ireland by David Fenwick.
Phaeista (Subphylum) > Limnista (Infraphylum) > Fucistia (Superclass) > Phaeophyceae (Class) > Ralfsiales (Order)
Ralfsiaceae (Family)
Ralfsia
Ralfsia verrucosa (Areschoug) Areschoug, 1845 ?
- Limpet Paint
Phaeista (Subphylum) > Limnista (Infraphylum) > Fucistia (Superclass) > Phaeophyceae (Class) > Scytosiphonales (Order)
Scytosiphonaceae (Family)
Stragularia
Stragularia clavata (Harvey) G.Hamel, 1939 ?
- A Brown encrusting algae
Some asexual phases of brown seaweed are also encrusting e.g. the Cutleria multifida (asexual Aglaozonia phase) of Cutler's Many Cleft Weed
Encrusting red algae (Rhodophyta)
Eurhodophytina (Subdivision) > Florideophyceae (Class) > Hildenbrandiophycidae (Subclass) > Hildenbrandiales (Order)
Hildenbrandiaceae (Family)
Hildenbrandia
Hildenbrandia rubra (Sommerfelt) Meneghini, 1841 ?
- An Encrusting red algae
Eurhodophytina (Subdivision) > Florideophyceae (Class) > Corallinophycidae (Subclass) > Corallinales (Order)
Corallinaceae (Family) > Lithophylloideae (Subfamily)
Lithophyllum
Lithophyllum corallinae (P.L.Crouan & H.M.Crouan) Heydrich, 1897
- An Encrusting red algae
Lithophyllum incrustans R.A.Philippi, 1837
- Common Pale Paint Weed or Pink Paint
Titanoderma
Titanoderma pustulatum (J.V.Lamouroux) Nägeli, 1858
- Little Gem Paint Weed
Corallinaceae (Family) > Mastophoroideae (Subfamily)
Pneophyllum
Pneophyllum Kützing, 1843 species ?
- An Encrusting red algae
Pneophyllum species possibly P. fragile Kützing 1843
- An Encrusting red algae
Hapalidiaceae (Family) > Melobesioideae (Subfamily)
Lithothamnion
Lithothamnion corallioides (P.L.Crouan & H.M.Crouan)
P.L.Crouan & H.M.Crouan, 1867 - Maerl
Melobesia
Melobesia membranacea (Esper) J.V.Lamouroux, 1812
- An Encrusting red algae
Mesophyllum
Mesophyllum lichenoides (J.Ellis) Me.Lemoine, 1928
- Pink Plates or Pink Plate Weed
Phymatolithon
Phymatolithon calcareum (Pallas) W.H.Adey & D.L.McKibbin, 1970 and
/ or Lithothamnion corallioides P.L.Crouan & H.M.Crouan, 1867
- Maerl, a coralline algal gravel
Phymatolithon lenormandii (Areschoug) W.H.Adey, 1966 ?
- An Encrusting red algae
Eurhodophytina (Subdivision) > Florideophyceae (Class) > Rhodymeniophycidae (Subclass) > Peyssonneliales (Order)
Peyssonneliaceae (Family)
Peyssonnelia
Peyssonnelia Decaisne, 1841 sp.
- An Encrusting red algae
Other images of encrusting algae
Bleaching of encrusting algae due to evaporation
of seawater in shallow pool during the summer
Encrusting algae in need of identification
Many thanks to Professor Michael Guiry for his help in identifying some of the seaweeds featured on this page.
Michael Guiry's Seaweed Website
Other people have also provided advice about the algae on this page and numerous reference books have been used.
These include -
Seaweeds of Britain and Ireland (Seasearch) by Francis Bunker, Christine Maggs, Juliet Brodie and Anne Bunker. Published by Wild Nature Press
Volumes of Seaweeds of the British Isles by the Natural History Museum
Seaweeds by W. Braune and M. D. Guiry
