21. Most have been moved here from distinct genera, which are now considered junior synonyms . 22. Minicheviellidae is a junior synonym of Asperspinidae. 23. If this classification is accepted, Brevirostres can be considered a junior synonym of Crocodylia. 24. Today this is usually seen as a junior synonym of " Troodon formosus ". 25. However, Sirotti demonstrated that it is a junior synonym of " Mosasaurus ". 26. Although in 1809, ICZN, so that the junior synonym could continue to be used. 27. Bucquoy, Dautzenberg & Dollfus, 1883 is a junior synonym of " Bellaspira" 28. It was formerly regarded as a junior synonym of the genus " Dasyatis ". 29. Seven subspecies are today considered valid; others have been described that are now considered junior synonyms . 30. The genus name should now be regarded as a junior synonym of " Schistosoma ".
