Prognathorhynchus eurytuba Ax & Armonies 1987 ...

• Main Authors: Reygel, Patrick C., Willems, Wim R., Artois, Tom J.
• Format: Text
• Language: unknown
• Published: Zenodo 2011
• Subjects: Biodiversity; Taxonomy; Animalia; Platyhelminthes; Rhabditophora; Rhabdocoela; Gnathorhynchidae; Prognathorhynchus; Prognathorhynchus eurytuba; North West Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.6189695; https://zenodo.org/doi/10.5281/zenodo.6189695

Prognathorhynchus eurytuba Ax & Armonies, 1987 (Fig. 1) New locality. Santa Cruz Island, Bahia Academy, stations IX5 e and IX 5 f. Known distribution. North West Atlantic: several localities in New Brunswick, Canada and in South Carolina, USA (see Ax & Armonies 1987; Ax 1997). Material. Four individuals studied alive, five sagittally-sectioned specimens (ZMUG 23317-23321). Remarks. The Galapagos specimens can easily be identified as P. e u r y t u b a, based on the overall organisation of the body, the morphology of the proboscis hooks and that of the stylet. As the original description by Ax and Armonies (1987) and a later account by Ax (1997) were based only on observations on live animals, very little is known of the detailed morphology, and a reconstruction of the genital system is lacking. The new material from the Galapagos allows a detailed and more complete description, although certain features are still hard to discern, especially concerning details of the female system, which appears to be ... : Published as part of Reygel, Patrick C., Willems, Wim R. & Artois, Tom J., 2011, Koinocystididae and Gnathorhynchidae (Platyhelminthes: Rhabdocoela: Kalyptorhynchia) from the Galapagos, with the description of three new species, pp. 27-40 in Zootaxa 3096 on pages 28-30, DOI: 10.5281/zenodo.200746 ...