Remarques sur la systématique des Phoronidea X. Notes sur l'écologie,la morphologie et la taxonomie de Phoronis ijimaï et de P. vancouverensis

The ecology, morphology and taxonomy of Phoronis ijimaï Oka, 1897 and P. vancouverensis Pixell, 1912 have been studied in some detail and are compared with those of P. hippocrepia. P. vancouverensis is considered as a synonym of P. ijimaï (which would be demanded by the law of priority). P. ijimaï must be considered as a distinct species and not incorporated into P. hippocrepia.