@article {5181, title = {Haplodiscus piger, a new pelagic organism from the Bahamas.}, journal = {Q J Microsc Sci New Ser}, volume = {29}, year = {1889}, month = {1889}, pages = {1 - 8}, keywords = {Haplodiscus, Haplodiscus orbicularis, Haplodiscus piger, Haplodiscus ussowi, LOCATION}, author = {Weldon,WFR} } @inbook {5175, title = {Die Turbellaria Acoela der Plankton-Expedition.}, booktitle = {Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. Volume 2.}, volume = {2}, year = {1895}, month = {1895}, pages = { - 1-48 pp}, publisher = {Lipsius \& Tischer}, organization = {Lipsius \& Tischer}, address = {Keil \& Leipzig}, keywords = {Aphanostoma minuta, Convoluta henseni, Haplodiscus acuminatus, Haplodiscus obtusus, Haplodiscus orbicularis, Haplodiscus ovatus, Haplodiscus piger, Haplodiscus scutiformis, Haplodiscus weldoni, LOCATION}, author = {B{\"o}hmig,L}, editor = {Hensen,V} } @article {5180, title = {Haplodiscus bocki spec. nov., eine neue pelagische Turbellarie der Ordnung Acoela von der Molukken-See mit einer Diskussion der Gattung.}, journal = {Ark Zool}, volume = {23}, year = {1970}, month = {1970}, pages = {255 - 266}, keywords = {Haplodiscus, Haplodiscus acuminatus, Haplodiscus bocki, Haplodiscus obtusus, Haplodiscus orbicularis, Haplodiscus ovatus, Haplodiscus piger, Haplodiscus ussowi, Haplodiscus weldoni, LOCATION}, author = {D{\"o}rjes,J} }