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Query: classification: "38.22"

Author	K. Bandel
Title	[Proceedings of the symposium 'Molluscan Palaeontology' : 11th International Malacological Congress, Siena (Italy) 30th August - 5th September 1992 / A.W. Janssen and R. Janssen (editors)]: Caenogastropoda during Mesozoic times
Journal	Scripta Geologica. Special Issue
Volume	2
Year	1992
Issue	1
Pages	7-56
ISSN	0922-4564
Abstract	The following groups of Mesozoic Caenogastropoda are discussed here: Cerithioidea and Littorinoidea-Rissooidea seemingly merging with each other during Triassic times; the fresh water and land snails of the Viviparoidea and Cyclophoroidea with unknown marine relatives but a Mesozoic history; the Vermetoidea, Turritelloidea and Campaniloidea with a late appearance in the Mesozoic; the Ctenoglossa with a continuous history from the Middle Palaeozoic to modern times; the Subulitoidea, Murchisonioidea and Loxonematoidea with Palaeozoic ancestors but unclear Middle Mesozoic relations; the Purpurinoidea as potential ancestors and relatives of the Stromboidea, the latter suddenly appearing in the Jurassic; the Heteropoda and Vanikoroidea with possible relation to each other but very uncertain relations to the others; and the Neomesogastropoda and Neogastropoda which begin their history in the Mid Cretaceous with still rather uncertain precursors.
Classification	38.22
Document type	article
Download paper	http://www.repository.naturalis.nl/document/148642