World Nemertea Database

Ivanov, V. A; Bigatti, G.; Penchaszadeh, P. E.; Norenburg, J. L. (2002). Malacobdella arrokeana (Nemertea: Bdellonemertea), a new species of nemertean from the Southwestern Atlantic Ocean entocommensal in Panopea abbreviata (Bivalvia, Heterodonta, Hiatellidae) in Argentina. Proceedings of the Biological Society of Washington, 115(2): 359-367

338750

Ivanov, V. A; Bigatti, G.; Penchaszadeh, P. E.; Norenburg, J. L.

2002

115(2): 359-367

Publication

http://www.macn.secyt.gov.ar/investigacion/descargas/ecologia/articulos/penchaszadeh/2002_ivanov%20et%20al.pdf

Available for editors  

Malacobdella arrokeana, a new species of entocommensal nemertean is described from the mantle cavity of the bivalve Panopea abbreviata in Argentine waters. This discovery expands the distribution of the genus, including the Southern Hemisphere for the first time, and represents a new host record. Malacobdella arrokeana can be differentiated from all other species in the genus by the following combination of characters: worm size, length of rhynchocoel, proboscis and retractor muscle of proboscis, gonad distribution and coloration, and position of excretory pores.

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