Register of Antarctic Species (RAS)

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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
Über kopflappen antarktischer Echiurida [On Prostomia of Antarctic Echiurida]
Zeitschrift für Morphologie der Tiere
72(1): 26–35.
Publication
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
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Date
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2016-09-18 21:56:01Z
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2017-07-24 05:09:01Z
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