Salvini-Plawen, Luitfried. (1972). Über kopflappen antarktischer Echiurida [On Prostomia of Antarctic Echiurida]. Zeitschrift für Morphologie der Tiere. 72(1): 26–35.

240335

10.1007/bf00281753 [view]

Salvini-Plawen, Luitfried

1972

72(1): 26–35.

Publication

http://link.springer.com/article/10.1007/BF00281753

World Polychaeta Database (WPolyDb)

Samples from the Ross Sea (Antarctic) contained four prostomia (“probosces”) of Echiurida which belong to two new species: 1. The prostomium of Binoraphorus geminolobotus n. g. n. sp. shows a symmetrical arrangement of double organs. This unique dual prostomium is externally marked by two mouth openings, by a ventromedian ridge and by a bilobed distal end. 2. The typical echiurid prostomium of Echiurus torulobotus n. sp. possesses a proximal swelling similar to that of Echiurus echiurus. It must be stated, however, that the latter is without exception a boreal-arctic form, and the present prostomia belong therefore to a geographically separated species.

Antarctic

Morphology
Systematics, Taxonomy

Annelida
Echiura

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