RANDOM FACT
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The story of the name
In the late 1700's, Linnaeus (the father of binomial nomenclature) identified a species of genus Codium as a sponge, failing to recognize its plant-like characteristics. It wasn't until 1792 that Olivi correctly identified another Codium species as a plant. Taking note of the distinctive utricles, he called this species Lamarckia vermilara, in tribute to the French biologist Jean Baptiste Lamarck. The Latin root "verm" means worm, reflecting the wormy construction of the cylindrical thallus. However, the name "Lamarckia" had already been ascribed to another genus, and the name was discarded. In 1797, the Englishman John Stackhouse recognized the genus Codium in his book Nereis Britannica. He had identified the English species tomentosum and velarium, which were only recognized as two distinct species in the 50's by Silva (1955). "Kodion" is a Greek word for sheepskin and refers to the wooly texture of the alga (Ramus, 1971). The first formal identification of the species Codium fragile came in 1870, when Suringar published Algae Japonicae. A specimen of the alga collected on a voyage to Japan was sent to the Netherlands for his research. As the specimen arrived in rather poor shape after its long journey, Suringar dubbed it "fragile" in reference to its friable state (Silva, personal communication). However, Suringar thought the sharp mucron on the utricle was a sufficiently distinct character for the creation of a new genus, which he called Acanthocodium ("acantho" is a Greek root meaning spine or thorn). Finally, the Frenchman Hariot returned it to the genus Codium in 1882, based on the decision that a sharp mucron wasn't a sufficiently important character to merit the creation of a separate genus.