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Littérature scientifique sur le sujet « Cladocorynidae »
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Articles de revues sur le sujet "Cladocorynidae"
Maggioni, Davide, Simone Montano, Davide Seveso et Paolo Galli. « Molecular evidence for cryptic species in Pteroclava krempfi (Hydrozoa, Cladocorynidae) living in association with alcyonaceans ». Systematics and Biodiversity 14, no 5 (12 mai 2016) : 484–93. http://dx.doi.org/10.1080/14772000.2016.1170735.
Texte intégralMontano, Simone, Davide Maggioni, Paolo Galli et Bert W. Hoeksema. « A cryptic species in the Pteroclava krempfi species complex (Hydrozoa, Cladocorynidae) revealed in the Caribbean ». Marine Biodiversity 47, no 1 (12 août 2016) : 83–89. http://dx.doi.org/10.1007/s12526-016-0555-5.
Texte intégralSeveso, D., D. Maggioni, R. Arrigoni, E. Montalbetti, ML Berumen, P. Galli et S. Montano. « Environmental gradients and host availability affecting the symbiosis between Pteroclava krempfi and alcyonaceans in the Saudi Arabian central Red Sea ». Marine Ecology Progress Series 653 (29 octobre 2020) : 91–103. http://dx.doi.org/10.3354/meps13509.
Texte intégralMaggioni, Davide, Agustín Garese, Danwei Huang, Bert W. Hoeksema, Roberto Arrigoni, Davide Seveso, Paolo Galli et al. « Diversity, host specificity and biogeography in the Cladocorynidae (Hydrozoa, Capitata), with description of a new genus ». Cladistics, 14 juillet 2021. http://dx.doi.org/10.1111/cla.12480.
Texte intégralThèses sur le sujet "Cladocorynidae"
MAGGIONI, DAVIDE. « New insights into the diversity, ecology, and evolution of the Zancleida (Hydrozoa, Cnidaria) ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2018. http://hdl.handle.net/10281/198934.
Texte intégralThe Zancleida is a poorly studied yet heterogeneous superfamily of hydrozoans that shows a wide range of morphological and ecological features. Many species in this group have complex and confusing taxonomic histories, due to the paucity of informative morphological characters, the scant available data on their life cycles, and the few molecular studies. Additionally, several species have evolved a symbiotic lifestyle and live in more or less specialised associations with a variety of other organisms, including scleractinian corals, octocorals, sponges, bryozoans, algae, and molluscs. With this work, the three symbiotic families Zancleidae, Cladocorynidae, and Sphaerocorynidae were comprehensively sampled and analysed with both morphology-based and DNA-based techniques, in order to characterise their diversity, distribution, ecology and evolution. This integrative approach allowed to shed light on the phylogenetic relationships within each family, to detect many new and cryptic species and genera, to clarify the hydrozoan-host relationships, and to better understand the evolution of peculiar morphological traits and ecological preferences. Specifically, species delimitation techniques revealed that coral-associated Zanclea and octocoral-associated Pteroclava are composed of several cryptic species with different host preference and specificity and different distribution. Moreover, ancestral state reconstructions revealed that the ancestor of coral-associated Zanclea was likely to be polymorphic, equipped with a perisarc-covered hydrorhiza, and host-specific. The integrative taxonomy approach also allowed to re-evaluate the phylogenetic position of some taxa, such as Zanclea timida, which is here moved from the family Zancleidae to the Cladocorynidae and accommodated to the newly erected genus Pseudozanclea, based on both morphological and molecular data. Similarly, the two new sphaerocorynid genera Astrocoryne and Sphaerocorynoides were described and the taxonomy and systematics of the whole family was clarified. The family Zancleidae is the most speciose group within the Zancleida but phylogenetic analyses revealed that this family, as well as the genera Zanclea and Halocoryne, are polyphyletic, whereas the genus Zanclella was recovered monophyletic. Moreover, Zanclea seems to harbour a cryptic diversity in other species than those associated with corals, such as in Zanclea divergens. Finally, an updated and well-supported phylogenetic hypothesis for the whole Zancleida was presented and used to investigate the evolution of selected morphological and ecological characters. In many cases, independent lineages within this superfamily evolved similar structures and, generally, the analysed characters seem to have been easily lost and regained during the evolution of these organisms. Overall, the inclusion of previously unsampled species and genera, as well as new phylogenetically informative molecular markers, allowed to build more robust phylogenies than in previous studies and to clarify the evolutionary history of the three analysed families. The results indicate that these often overlooked organisms harbour a great, previously unknown diversity and highlight the importance of their characterisation in changing ecosystems such as coral reefs.