Classification Glomerida



trachysphaera pyrenaica


glomerida contains approximately 30 genera, relationship of these each other debated. authors divide order 3 families, large family glomeridae, glomeridellidae, , trachysphaeridae, while others classify order more elaborate system of subfamilies , tribes , reognize families glomeridellidae, , glomeridae , protoglomeridae. estimates of numbers of species range 280 450. genus glomeris largest, containing @ least 100 species , many more subspecies or varieties.


glomerida traditionally classified along sphaerotheriida in superorder oniscomorpha, contains short-bodied millipedes capable of volvation. oniscomorphs united poorly known glomeridesmida in infraclass pentazonia, characterized posterior telopods , relatively short bodies, , sister group helminthomorpha, or worm-like millipedes. classification supported morphological similarities. however, studies based on dna sequence comparisons have suggested glomerida more closely related glomeridesmida sphaerotheriida, hypothesis imply enrolling behavior evolved twice or lost in ancestors of glomeridesmidans.








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