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Coralline algae are red algae in the order Corallinales. They are characterized by a thallus that is hard because of calcareous deposits contained within the cell walls. The colors of these algae are most typically pink, or some other shade of red, but some species can be purple, yellow, blue, white, or gray-green.
The Corallinaceae are one of the two extant Coralline families of red algae; they are differentiated from the morphologically similar Sporolithaceae by their formation of grouped sporangial chambers, clustered into sori. [2] The Corallinoideae is monophyletic; the other subfamilies form another monophyletic group. [3]
Jania is an articulated coralline algae characterized by having erect thalli with dichotomously-arranged branches composed of alternating segments of red or pink, calcified, cylindrical sections (intergeniculum) and white uncalcified sections (geniculum); that is attached to the substrate by small, stolon-like holdfasts.
Coralline means 'resembling coral' and may refer to: Coralline algae, or corallines, red algae that produce calcareous deposits; Less commonly, organisms that resemble coral, such as certain bryozoans, hydrozoans, or coralline sponges; The calcareous material in coral reefs; Coralline rock, produced by coralline algae; Something having a red ...
The coralline algae reproduces during the winter, approximately from October to February. [4] They reproduce using uniporate conceptacles, which are cavities where the reproductive organs of algae are found. [6] The algae may be tetrasporangial, spermatangial, or carposporangial reproduction types. Depending on which type the algae is, the ...
[27] [28] Coralline algae are particularly sensitive to ocean acidification because they precipitate high magnesium-calcite carbonate skeletons, the most soluble form of CaCO 3. [ 29 ] [ 30 ] [ 23 ] Calcification rates in coralline algae are thought to be directly related to their photosynthetic rates, but it is not clear how a high-CO 2 ...
The epithet “crusta” refers to crustose thallus and “phytum” refers to plant. Belonging to the family Hapalidiaceae in the order Hapalidiales, Crustaphytum is one kind of crustose coralline algae (also known as non-geniculate coralline algae). [3]
Lithothamnion glaciale are present in coralline algae beds in many regions of the Arctic. They are also present in marine habitats in temperate waters where higher average temperatures prevail [3]. They grow on the surface of rock in low-littoral pools and in the sublittoral to 34m. [1]