波部(1977: 313)はジョウロガイ属としてPenicillus Bruguiere, 1789, 1: xv, 126-128を用いたが、Penicillus J. E. Guettard, 1770, 3: 59, Polychaetaの新参ホモニムで使えない。WoRMSでBouchet等はVerpa [Roeding, 1798]を使うべきだという。
Verpa (f.) [Röding, 1798, (2): 69, type species (M) Serpula penis Linnaeus, 1767, ed. 12, 1(2): 1267, no. 806, Java [= Serpula penis Linnaeus, 1758, ed. 10, 1: 788, no. 701, Ambon] and Penicillus javanus Bruguière, 1789, 1: 128-129 (fide Dillwyn, 1817, 2: 1083-1084)].
Verpa (f.) [Röding, 1798, (2): 69, type species (M) Serpula penis Linnaeus, 1767, ed. 12, 1(2): 1267, no. 806, Java [= Serpula penis Linnaeus, 1758, ed. 10, 1: 788, no. 701, Ambon] and Penicillus javanus Bruguière, 1789, 1: 128-129 (fide Dillwyn, 1817, 2: 1083-1084)].