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Turbellarien der Gattung Promesostoma von der nordamerikanischen Pazifikküste
Ax, P. (1968). Turbellarien der Gattung Promesostoma von der nordamerikanischen Pazifikküste. Helgol. Wiss. Meeresunters. 18: 116-123
In: Helgoländer Wissenschaftliche Meeresuntersuchungen. Biologische Anstalt Helgoland: Hamburg. ISSN 0017-9957, more
Peer reviewed article  
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Keywords
    Taxa > Species > New taxa > New species
    Promesostoma hymanae Ax, 1968 [WoRMS]; Promesostoma infundibulum Ax, 1968 [WoRMS]
    Marine/Coastal
Author  Top 
  • Ax, P.
Abstract
    Two new species of the genus Promesostoma, P. infundibutum nov. spec. and P. hymanae nov. spec., are described from the mesopsammal of the San Juan Archipel (Washington, USA). They are closely related to P. dipterostylum Karling from the Californian coast. These three species have a differentiated seminal receptacle with special cuticular structures, which represents a remarkable synapomorphy. The cuticular connection between the styler and the seminal receptacle was unknown untill now in the organization of turbellarians.
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