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      Glomerin and homoglomerin from the North American pill millipede Onomeris sinuata (Loomis, 1943) (Diplopoda, Pentazonia, Glomeridae)

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      International Journal of Myriapodology

      Pensoft Publishers

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          Abstract

          Specimens of the North American glomerid millipede Onomeris sinuata (Loomis, 1943) were collected at the type locality in Alabama, USA, and maintained briefly in the laboratory in native leaf litter. The millipedes could not be induced to produce defensive secretions by rough handling, tapping, squeezing or leg-pinching. Four specimens were extracted in methanol and the extract analyzed using gas chromatography/mass spectroscopy. The analysis revealed the alkaloids glomerin and homoglomerin, previously reported as components in the defensive secretion of the European glomerid Glomeris marginata (Villers, 1789). This report is only the second for the occurrence of quinazolinone alkaloids in animals.

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          Current status of the Myriapod class diplopoda (millipedes): taxonomic diversity and phylogeny.

          The arthropod class Diplopoda, the millipedes, ranks among the most diverse groups of terrestrial organisms, with over 12,000 species described. Although they play an important ecological role in most terrestrial ecosystems, little is known about the group's diversity, morphology, and phylogeny compared with other arthropod groups. We review diplopod natural history and discuss the historical and current literature pertaining to millipede morphology, ecology, chemical defenses, and the paleontological record of the group's ancient history. Diplopod systematics, past and present, are reviewed with a focus on taxonomy, collections, and biogeography. The phylogenetics of the class is reviewed, with particular attention on diplopod placement within the Myriapoda and emphasis on recent advances using molecular approaches to phylogenetic reconstruction. We present (a) the first combined morphological and molecular analysis of the millipede orders, and (b) a list of critically evaluated characteristics of nominal clades identifying putative apomorphies.
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            Atlas on the Biology of Soil Arthropods

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              1,2- Dialkyl- 4(3H)- Quinazolinones in the Defensive Secretion of a Millipede ( Glomeris marginata)

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                Author and article information

                Journal
                International Journal of Myriapodology
                IJM
                Pensoft Publishers
                1875-2543
                1875-2535
                June 04 2011
                June 04 2011
                : 4
                : 1-10
                Article
                10.3897/ijm.4.1105
                © 2011
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