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---- Ciona savignyi Herdman, 1882 [WoRMS ID 250292](http://www.marinespecies.org/aphia.php?p=taxdetails&id=250292)
-_C. savignyi is estimated to have diverged from the two others ~184 (±15) My
+_C. savignyi_ is estimated to have diverged from the two others ~184 (±15) My
ago based on protein sequence comparisons and estimation of the acceleration of
the molecular clock in tunicates [[Berná, Alvarez-Valin and D'Onofrio,
2009|biblio/20052388]] or 122 ± 33 million years ago based on sequence analysis