Mecynostomum sizilianum Riedl, 1954 | Jul 27 & Sep 10, 1949 | 0-12 m | fine sand | 5 % of sample. Punta Regilione, Malta canal. |
Myostomella pulchella Riedl, 1954 | Jul 27 - Sep 10, 1949 | | | 14 individuals. |
Prorogonophora perspicua Riedl, 1954 | Aug 3-25, 1949 | 0-3 m | sand, rock | |
Westbladiella falcifera Riedl, 1954 | Jun 27 - Sep 10, 1949 | 2-3 m | sand | 61 individuals, sand algae border. |
Proxenetes axi Riedl, 1954 | Jul 27 - Sep 10, 1949 | | | 13 individuals. |
Trigonostomum quadrifolium Riedl, 1954 | Jul 27 - Sep 10, 1949 | | | 114 individuals. |
Marinellia lingulifera Riedl, 1954 | Jul 27 - Sep 10, 1949 | | sand, hard bottom | 9 individuals, 6 from border of sand and hard bottom. |
Lioniella petiti Riedl, 1954 | Jul 27 - Sep 10, 1949 | | | 8 individuals. |
Haloplanella multifida Riedl, 1954 | Jul 27 - Sep 10, 1949 | | | 2 individuals. |
Heterochaerus langerhansi (Graff, 1882) | 1952 | | | marine caves. |
Microstomum melanophthalmum Steinböck, 1933 | 1952 | | | marine caves. |