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Marpolia has been interpreted as a cyanobacterium, but also resembles the modern cladophoran green algae. It is known from the Middle Cambrian Burgess shale [1] and Early Cambrian deposits from the Czech Republic. [2] It comprises a dense mass of entangled, twisted filaments.
Fuxianospira gyrata is a Cambrian macroalgae found in the Chengjiang lagerstätte. [1] Preserved in clustered, helicoid groups, the filaments are threadlike, plain and without branches. [ 1 ] Brown and smooth in appearance, these structural characteristics display a resemblance to modern brown algae. [ 2 ]
The extinct Solenoporaceae have traditionally been interpreted as a group of red algae ancestral to the Corallinales. [4] The genus from which they take their name, Solenopora, originates in the Ordovician. [5] Unlike the Corallinaceae, this family has large vegetative cells and an undifferentiated thallus. [5]
Margaretia is a frondose organism known from the middle Cambrian Burgess shale and the Kinzers Formation of Pennsylvania. [1] Its fronds reached about 10 cm in length and are peppered with a range of length-parallel oval holes. It was originally interpreted as an alcyonarian coral. [2]
Marine algae can be divided into six groups: green, red and brown algae, euglenophytes, dinoflagellates and diatoms. Dinoflagellates and diatoms are important components of marine algae and have their own sections below. Euglenophytes are a phylum of unicellular flagellates with only a few marine members. Not all algae are microscopic.
Red Dye No. 3 is an artificial food coloring derived from petroleum, ... prohibits any food additive from qualifying as safe if it has been shown to cause cancer in animals or humans at any dose.)
Microalgae proteins are also investigated as thickening agents [15] or emulsion and foam stabilizers [16] in the food industry to replace animal based proteins. Some microalgae accumulate chromophores like chlorophyll, carotenoids, phycobiliproteins or polyphenols that may be extracted and used as coloring agents. [17] [18]
Chlamydomonas (/ ˌ k l æ m ɪ ˈ d ɒ m ə n ə s,-d ə ˈ m oʊ-/ KLAM-ih-DOM-ə-nəs, -də-MOH-) is a genus of green algae consisting of about 150 species [2] of unicellular flagellates, found in stagnant water and on damp soil, in freshwater, seawater, and even in snow as "snow algae". [3]