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Message: <blockquote data-quote="l_raty" data-source="post: 4027506" data-attributes="member: 24811">Cypselus abessynicus Streubel 1848 was long used for the tropical African populations of Apus affinis, until it was realised that Abyssinian populations of the species actually belonged to the same taxon as those of the Near-East, for which Cypselus galilejensis Antinori 1855 was in use.The tropical African population was then renamed Apus affinis aerobates Brooke 1969 <a href="https://www.biodiversitylibrary.org/page/40816905" target="_blank">https://www.biodiversitylibrary.org/page/40816905</a>, but the transfer of abessynicus, long used for one taxon, to another taxon, which should in principle have followed, was deemed unbearable: the suppression of the name (for the purposes of the Principle of Priority) was requested to the Commission <a href="https://www.biodiversitylibrary.org/page/12224464" target="_blank">https://www.biodiversitylibrary.org/page/12224464</a>, who obliged <a href="https://www.biodiversitylibrary.org/page/12225192" target="_blank">https://www.biodiversitylibrary.org/page/12225192</a>.I.e., abessynicus is a senior synonym of galilejensis, not preoccupied, but that cannot be used as a valid name any more.(Only the Commission is entitled to set aside a decision of the Commission.)</blockquote>