shallow-water haplosclerida (porifera, demospongiae) of the north east Atlantic Ocean
Subtitle: taxonomy, phylogeny and historical biogeography
By: door Walentina Helena de Weerdt.
Publisher: Bushong System Cy
Published: 1987
Place of publication: Amsterdam
Language: eng
Number of pages: 243
Subjects: Haplosclerida -- North Atlantic Ocean -- Phylogeny; Haplosclerida -- North Atlantic Ocean -- Geographical distribution
Other titles: Beaufortia.
Notes: Includes two articles previously published in Beaufortia.

Thesis (Ph. D.)--Universiteit van Amsterdam, 1987.

Includes bibliographical references.

Hypothesis, foreword, and abstract in Dutch; summary in Dutch and English. Text in English.