Australian Museum Journal A re-description of Ditrupa gracillima Grube, 1878 (Polychaeta, Serpulidae) from the Indo-Pacific, with a discussion of the genus

Shortform:
Hove and Smith, 1990, Rec. Aust. Mus. 42(1): 101–118
Author(s):
Hove, H. A. ten; Smith, Richard S.
Year published:
1990
Title:
A re-description of Ditrupa gracillima Grube, 1878 (Polychaeta, Serpulidae) from the Indo-Pacific, with a discussion of the genus
Serial title:
Records of the Australian Museum
Volume:
42
Issue:
1
Start page:
101
End page:
118
DOI:
10.3853/j.0067-1975.42.1990.108
Language:
English
Date published:
23 March 1990
Cover date:
23 March 1990
ISSN:
0067-1975
CODEN:
RAUMAJ
Publisher:
The Australian Museum
Place published:
Sydney, Australia
Subjects:
POLYCHAETA; TAXONOMY
Digitized:
24 November 2008
Available online:
18 December 2008
Reference number:
108
EndNote package:
EndNote file
Title page:
Title page (99kb PDF)
Complete work:
Complete work (5632kb PDF)

Abstract

Like so many other serpulid genera, Ditrupa has a history of taxonomic confusion, even to the extent that the worm tubes have been included in the Mollusca by some workers. In recent publications, most authors follow Fauvel (e.g. 1953) and recognise a single species, Ditrupa arietina O.F. Müller, 1776, worldwide, despite the fact that descriptions of this species were based on European and Atlantic material. A re-examination of type specimens and study of a broad range of samples from the Indo-Pacific now justifies the recognition of a separate species, Ditrupa gracillima Grube, 1878, from this region. It shows extreme variation, at least partly related to depth: from 100 m downwards an ecophenotype prevails, previously described as D. arietina var. monilifera.

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