Comparative studies of jaw morphology and ontogeny in two species of asexually reproducing Dorvilleidae (Annelida)

Martin Oliver Macnaughton, Danny Eibye-Jacobsen, Katrine Worsaae

2 Citations (Scopus)

Abstract

The jaw ontogeny of Dorvillea albomaculata and D. bermudensis was studied in cultured specimens, reproducing asexually by transverse fission. Mandibular growth was found to occur by lateral apposition. Maxillary development exhibited a gradual growth pattern, as opposed to the maxillary moults found in closely related species (Macnaughton et al. 2009). Details of dentition and numbers of maxillary plates as well as the ontogenetic growth patterns of the jaws were found to provide significant information of systematic value. Based on detailed studies of jaw ontogeny and morphology, Dorvillea albomaculata and D. bermudensis are here reassigned to the genus Parougia (Dorvilleidae, Annelida). This is supported by the external morphology as well as previous molecular studies.

Original languageEnglish
JournalZoologischer Anzeiger
Volume250
Issue number2
Pages (from-to)134-142
Number of pages9
ISSN0044-5231
DOIs
Publication statusPublished - Apr 2011

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