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Bubkoa, a New Replacement Name for Choanophorus Bubko 1965 (Annelida: Siboglinidae) Non Caballero 1942 (Platyhelminthes: Pronocephalidae)

Alexander B. Doweld

The genus Choanophorus (type species C. indicus Bubko, by original designation) was established by Bubko for a distinctive annelid (Siboglinidae) from the Indian Ocean. However, Choanophorus Caballero, a living helminth, preceded annelid generic name, which becomes a preoccupied later homonym. The helminth Choanophorus is well recognized in modern zoology, served even in the past a type of a distinct family Choanophoridae Caballero, but now recognized in family Pronocephalidae Looss as a distinct genus in current use, and in this connection a new generic designation is necessary for later homonymic annelid genus.