New Zealand Dictyoceratida : a taxonomic study of the order Dictyoceratida (Porifera ; Demospongiae ; Ceractinomorpha) in New Zealand, with a synopsis of world genera

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dc.contributor.advisor Bergquist, Dame P. en
dc.contributor.author Cook, Stephen de Clive en
dc.date.accessioned 2007-07-09T10:27:12Z en
dc.date.available 2007-07-09T10:27:12Z en
dc.date.issued 2000 en
dc.identifier THESIS 01-118 en
dc.identifier.citation Thesis (PhD--Zoology)--University of Auckland, 2000 en
dc.identifier.uri http://hdl.handle.net/2292/722 en
dc.description Full text is available to authenticated members of The University of Auckland only. en
dc.description.abstract This doctoral thesis examines sponges of the order Dictyoceratida, based primarily on the study of field collections and museum specimens from New Zealand. This study has discovered and formally described in 29 new species, four new genera and two new subgenera" with the reassessment and clarification of, or amendments to, the diagnoses of eight genera, namely: Spongia, Hippospongia, Ircinia, Psammocinia, Dysidea, Cacospongia, Thorecta and Thorectandra. This process, along with a collection of overseas voucher specimens, facilitated a synoptic view of dictyoceratid genera" which provides an up-to-date foundation for the continued study of dictyoceratid systematics worldwide. Literature references to dictyoceratid sponges in New Zealand waters prior to this study are largely unreliable, and almost all of them are incorrect. This study highlights, though not for the first time, the problems associated with a lack of recognisable morphological characters used in the identification of sponges, and the relative importance of those characters in defining the taxonomic boundaries between taxa. It is believed that dictyoceratid systematics in the immediate future would be best served by clearly validating and documenting the existence of accessible, extant type material, and by establishing a widely available taxonomic database of dictyoceratid sponge species. en
dc.language.iso en en
dc.publisher ResearchSpace@Auckland en
dc.relation.ispartof PhD Thesis - University of Auckland en
dc.relation.isreferencedby UoA9995599114002091 en
dc.rights Restricted Item. Available to authenticated members of The University of Auckland. en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title New Zealand Dictyoceratida : a taxonomic study of the order Dictyoceratida (Porifera ; Demospongiae ; Ceractinomorpha) in New Zealand, with a synopsis of world genera en
dc.type Thesis en
thesis.degree.discipline Zoology en
thesis.degree.grantor The University of Auckland en
thesis.degree.level Doctoral en
thesis.degree.name PhD en
dc.subject.marsden Fields of Research::270000 Biological Sciences::270700 Ecology and Evolution::270702 Marine and estuarine ecology (incl. marine ichthyology) en
dc.rights.holder Copyright: The author en


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