Turbellarians taxon details
Promacrostomum An der Lan, 1939
- Species Promacrostomum gieysztori (Ferguson, 1939) accepted as Macrostomum gieysztori Ferguson, 1939
- Species Promacrostomum palum Sluys, 1986 accepted as Macrostomum palum (Sluys, 1986) (unaccepted > superseded combination)
- Species Promacrostomum paradoxicum Ferguson, 1954 accepted as Promacrostomum paradoxum An der Lan, 1939 accepted as Macrostomum paradoxum (An der Lan, 1939)
- Species Promacrostomum paradoxum An der Lan, 1939 accepted as Macrostomum paradoxum (An der Lan, 1939) (unaccepted > superseded combination)
fresh
An der Lan, H. (1939). Zur rhabdocoelen Turbellarienfauna des Ochrida-Sees (Balkan). <em>Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften Wien. Mathematisch-Naturwissenschaftliche Klasse.</em> 148: 195–254. [details] Available for editors 
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2024). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Promacrostomum An der Lan, 1939. Accessed at: https://www.marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=479547 on 2025-05-11
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original description
An der Lan, H. (1939). Zur rhabdocoelen Turbellarienfauna des Ochrida-Sees (Balkan). <em>Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften Wien. Mathematisch-Naturwissenschaftliche Klasse.</em> 148: 195–254. [details] Available for editors
From editor or global species database
Validity Based on phylogenomic analyses Brand et al. 2022 show i) that the type species of Promacrostomum falls into Macrostomum, and ii) that the presence of a second female genital opening has evolved multiple times in Macrostomum. Based on this Promacrostomum is a synonym of Macrostomum.[details]
