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coelo-, hollow; acanthus, spine, referring to hollow caudal-fin rays of the first fossil specimen described by Louis Agassiz in 1839

Family LATIMERIIDAE Coelacanths

Latimeria Smith 1939    ia, belonging to: Marjorie Courtenay-Latimer (1907-2004), Curator, East London Museum, who discovered this species in a fisherman’s catch and mailed a sketch to Smith, who identified it as a living coelacanth, formerly known only from Mesozoic fossils

Latimeria chalumnae Smith 1939    off the mouth of the Chalumna River, west of East London, Cape Colony, South Africa, type locality

Latimeria menadoensis Pouyaud, Wirjoatmodjo, Rachmatika, Tjakrawidjaja, Hadiaty & Hadie 1999    ensis, suffix denoting place: to Manado Tua Island, Indonesia, type locality [in a case of scientific piracy, the authors rushed into print the description of the second coelacanth, denying the right to marine biologists Mark and Arnaz Erdmann, who discovered the species and were seeking more specimens for study]