10 Result(s)
within
Maria Balsamo
Animal Systematics/Taxonomy/Biogeography
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Article
Meiofaunal assemblages of the bay of Nisida and the environmental status of the Phlegraean area (Naples, Southern Italy)
Nisida is an islet of volcanic origin of the Phlegraean archipelago (Southern Italy) that has been included in the General Reserve of the Regional Park of Phlegraean Islands. The islet has been inaccessible bo...
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Article
Assessment of ecological quality status along the Apulian coasts (eastern Mediterranean Sea) based on meiobenthic and nematode assemblages
Coastal environments may be impacted by several anthropogenic activities such as sewage discharges, fish-farming and hydrocarbons along with seaside tourism activities, all proved to have an effect on benthic ...
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Article
An approach based on nematode descriptors for the classification of ecological quality (EcoQ) of the Malaysian coasts
Free-living marine nematodes were employed in ecological studies and were proven to be suitable bioindicators of pollution-induced effects on the benthic domain. This study represents the first attempt to use ...
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Article
Erratum to: A new species of Pseudostomella (Gastrotricha, Thaumastodermatidae) from Brazil
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Article
A new species of Pseudostomodella (Gastrotricha, Thaumastodermatidae) from Brazil
A new species of Pseudostomella is described from sublittoral sands of the southern coast of Bahia State, Brazil. Pseudostomella squamalongispinosa sp. nov. is 310–320 μm long and is distinguished from its congen...
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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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Chapter
Global diversity of gastrotrichs (Gastrotricha) in fresh waters
The global diversity of inland water Gastrotricha is poorly known, and information is extremely heterogeneous. Gastrotricha have been studied most widely in Europe and America, whereas data from the other cont...
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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...
