4 Result(s)
within
Maria Balsamo
Animal Anatomy / Morphology / Histology
Animal Systematics/Taxonomy/Biogeography
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Article
A fresh look at Dinodasys mirabilis (Gastrotricha, Macrodasyida), with focus on the reproductive apparatus and sperm ultrastructure
Adults of Dinodasys mirabilis were studied for the first time. The specimens, collected from the west coast of Sweden, were investigated alive and with electron microscopy. Sexually mature specimens attain a tota...
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Article
Comparative sperm ultrastructure of Neodasys ciritus and Musellifer delamarei, two species considered to be basal among Chaetonotida (Gastrotricha)
The spermatozoa of two species supposed to be basal to Gastrotricha Chaetonotida, Neodasys ciritus and Musellifer delamarei, were studied in order to supply further elements to the understanding of sperm evolutio...
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Article
Reproductive system and spermatozoa of Paraturbanella teissieri (Gastrotricha, Macrodasyida): implications for sperm transfer modality in Turbanellidae
The morphology of the reproductive apparatus of several species of Turbanellidae, which are sequential hermaphrodites, has been studied for a comparison with that of other Gastrotricha Macrodasyida, which are...
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Article
The spermatozoa of three species of Xenotrichulidae (Gastrotricha, Chaetonotida): the two “dünne Nebengeisseln” of spermatozoa in Heteroxenotrichula squamosa are peculiar para-acrosomal bodies
The spermatozoa of xenotrichulid gastrotrichs have been studied with the aim of supplying further characters for the phylogenetic analysis of Gastrotricha and to assess the reported biflagellarity of Heteroxenotr...
