1-5 of 5 Books
A monograph of the Upper Cretaceous Hexactinellida of Great Britain and Northern Ireland
A monograph of the Upper Cretaceous Hexactinellida of Great Britain and Northern Ireland
By Robert Edward Hay Reid
Paleontologic papers
Paleontologic papers
By John Mason Clarke,George B. Simpson,Frederic Brewster Loomis
The upper cretaceous hexactinellida of Great Britain and Northern Ireland
The upper cretaceous hexactinellida of Great Britain and Northern Ireland
By R. E. H. Reid
Upper Permian Inozoid, Demospongid, and Hexactinellid sponges from Djebel Tebaga, Tunisia
Upper Permian Inozoid, Demospongid, and Hexactinellid sponges from Djebel Tebaga, Tunisia
By J. Keith Rigby
Die Entwicklung der Hexactinellida seit dem Mesozoikum
Die Entwicklung der Hexactinellida seit dem Mesozoikum
By Dorte Mehl