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Query: classification: "42.73"

Author	A.J. de Winter
Title	Costigulella primennilus spec. nov., a new minute western African terrestrial snail, with remarks on the genus Costigulella (Gastropoda Pulmonata: Streptaxidae)
Journal	Zoologische Mededelingen
Volume	82
Year	2008
Issue	23
Pages	245-251
ISSN	0024-0672
Keywords	Mollusca; Gastropoda; Gulella; Costigulella; new status; new species; distribution; Africa; Cameroon; shell development; apertural barriers
Abstract	Costigulella primennilus spec. nov. is the first representative of Costigulella reported from Cameroon. It is probably the smallest species of the family Streptaxidae known world-wide. Arguments are provided to consider Costigulella an independent radiation and genus, rather than a subgenus of Gulella. The mode of development of apertural barriers in juvenile shells in Costigulella and in other Streptaxidae is discussed.
Classification	42.73
Document type	article
Download paper	http://www.repository.naturalis.nl/document/93766