@book { pdf, title = {Plathelminthes aus Brackgew{\"a}ssern der Nordhalbkugel}, year = {2008}, note = {

Describes:
Macrostomum uncinatum
Macrostomum clavituba
Macrostomum gallicum
Macrostomum guttulatum
Macrostomum rectum
Macrostomum flexum
Macrostomum semicirculatum
Macrostomum bellebaruchae
Macrostomum acutum
Macrostomum calcaris
Macrostomum incurvatum

Mentions:
Macrostomum hystricinum
Macrostomum rubrocinctum
Macrostomum pusillum
Macrostomum distinguendnum
Macrostomum rostratum
Macrostomum obtusum
Macrostomum curvituba
Macrostomum magnacurvituba
Macrostomum extraculum
Macrostomum brevituba
Macrostomum ermini
Macrostomum tenuicauda
Macrostomum minutum
Macrostomum longistyliferum
Macrostomum longituba
Macrostomum mystrophorum
Macrostomum burti
Macrostomum bicurvistyla
Macrostomum hamatum
Macrostomum balticum
Macrostomum spirale
Macrostomum axi
Psammomacrostomum equicaudum
Psammomacrostomum turbanelloides
Microstomum lineare
Dolichomacrostomum uniporum
Paromalostomum dubium
Paromalostomum mediterraneum
Paramyozonaria simplex

}, publisher = {Franz Steiner Verlag}, organization = {Franz Steiner Verlag}, address = {Stuttgart, Germany}, keywords = {Macrostomum Systematics}, author = {Ax, P} } @article {pdf, title = {Die Turbellarien des K{\"u}stengrundwassers am finnischen Meerbusen}, journal = {Acta Zoologica Fennica}, volume = {81}, year = {1954}, note = {2879}, pages = {1-54}, type = {article}, abstract = {Mentions: Macrostomum curvituba Macrostomum hamatum}, keywords = {Turbellaria}, author = {Ax, P} } @article {pdf, title = {Turbellarien aus salzgetr{\"a}nkten Wiesenb{\"o}den der deutschen Meeresk{\"u}ste}, journal = {Zeitschrift f{\"u}r wissenschaftliche Zoologie}, volume = {163}, year = {1960}, note = {2876}, pages = {210-235}, type = {article}, abstract = {Mentions: Macrostomum balticum Macrostomum spirale}, keywords = {Macrostomum}, author = {Ax, P} }