Monotoplana diorchis Meixner, 1938 | 1951 | 5-6 m | clean and detritus-rich medium sand to coarse sand + shell | |
Typhlopolycystis coeca Karling, 1956 | 1938 or earlier | | sand | in sand near Buoy A (Tonne A). |
Xenocicerina gracilis Karling, 1956 | 1956 or earlier | 5m | coarse sand, gravel | from Ax, after sketches. |
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964 | Dec 1950 | 3-4 m | medium sand | |
Proxenetes (Paraxenetes) quadrispinosus den Hartog, 1966 | Sep 1951 | 5-6 m | medium to coarse sand | |
Proxenetes (Perixenetes) quinquespinosus Ax, 1971 | Jan-Jul 1951 | 3 m | fine sand | diverse sublitoral. |
Proxenetes (Perixenetes) quinquespinosus Ax, 1971 | Jan-Jul 1951 | 4-5 m | pure coarse sand | diverse sublitoral. |
Proxenetes (Proxenetes) multidentatus Ax, 1971 | Apr-Oct, 1951 | 4-10 m | coarse sand | subtidal. |
Proxenetes (Proxenetes) multidentatus Ax, 1971 | Apr, 1953 | 4-10 m | sand | subtidal. |
Paromalostomum dubium (de Beauchamp, 1927) | Nov 1950 | 6 m | medium to coarse sand | |
Ulianinia contractilis (Meixner, 1938) | 1938 or earlier | | sand | Meixner found this in the sandy bottom at Bülk in the Bay of Keil. 'The original material of this species was lost during the last world war [World War II], and the species has not been re-discovered. |
Proceropharynx anophthalmus (Meixner, 1929) | 1929 or earlier | 8 m | sand | sublitoral Baltic Sea. |
Mariplanella frisia Ax & Heller, 1970 | Jul 1951 | 3-5 m | coarse sand | leg. P. Ax. |
Mariplanella frisia Ax & Heller, 1970 | May 1953 | 3-5 m | coarse sand | leg. P. Ax. |
Mariplanella frisia Ax & Heller, 1970 | Aug 1951 | 6 m | coarse sand | Detritus poor. leg. P. Ax. |
Adenorhynchus balticus Meixner, 1938 | 1938 or earlier | | fine sand | flat zone near the breakwater. handwritten note from Meixner which P. Ax holds. |
Gyratrix proavus Meixner, 1929 | 1929 or earlier | 8 m | | Kieler Bucht, aus Sand in 8 m Tiefe bei der Nebenfahrwassertonne vor Bülk. |
Cheliplana vaginalis Karling, 1983 | Apr 6, 1928 | | sand | sandy bottom (Meixner 1938, 115). Two specimens sectioned longitudinally, one of them holotype (labeled "Rhinepera vaginalis, Tonne A vor Bülk, 4.6.1928, sag.", type locality: Zoological Institution, Univ. of Graz, Austria). |
Baicalellia nana (Ax, 2008) | 1950-1959 | 2-15 m | coarse sand, gravel | Bisher nur im polyhalinen Brackwasser der Kieler Bucht nachgewiesen. Grobsand-Kies vor Schilksee, Bülk und Weissenhaus, vom Stoller Grund, Vodrups-Flach und Veisnaes-Flach in 2-15 m Wassertiefe (1950-1959). |
Baicalellia nana (Ax, 2008) | 1953 | 5 m | coarse sand | Beobachtungen an Individuen aus Grobsand vor Bülk liegen der folgenden Darstellung zugrunde. Dieser Fundort bildet den Locus typicus der Art. |
Promesostoma caligulatum Ax, 1952 | 1952 or earlier | 5-6 m | medium-coarse sand | Ostsee. Kieler Bucht. Bülk: Mittel-Grobsand, 5-6 m Wassertiefe. |
Messoplana falcata falcata (Ax, 1953) | 1974 or earlier | | | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). |
Provortex affinis (Jensen, 1878) | 1951 | | fine sand, coarse sand and gravel | ....aus ufernahem Feinsand und Grobsand-Kies vor Bülk, 4 m Wassertiefe (unpubl. 1951) |
Karkinorhynchus primitivus Meixner, 1928 | 1951 or earlier | 5 m | | 2 Exemplare (leg. Ax 1950, 1951) |
Rhinepera remanei Meixner, 1928 | 1966-1968 | | | (leg. Ax 1950) |