HJ Hansen. Choniostomatide. GES Pl. XM. 

1. Homoeoscelis mediterranea ni ygen.nsp 2. Spheronella dantca x sp 3 Spher. Leptochetrt n sp 
4. Spher. messinensis np 5. Spher. trregularts  n. sp CO. Spher. margitnata n. sp. 
4H. SJ Hanser del. Lévendal we 
