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Dekatriata
Taxonomical clade / From Wikipedia, the free encyclopedia
Dekatriata is a clade of planatergan chelicerates including the groups Arachnida, Chasmataspidida, Eurypterida[1] and additionally two stem-genera Winneshiekia and Houia.[2] Dekatriata is defined by an opisthosoma with 13 segments as groundplan (the number proposed to be secondarily reduced in most arachnid orders[1]) and fused, plate-like appendages on the first opisthosomal segment (somite VII).[1]
Quick Facts Scientific classification, Groups ...
Dekatriata | |
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Eurypterus remipes, a eurypterid | |
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Araneus diadematus, an arachnid | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Subphylum: | Chelicerata |
Clade: | Planaterga |
Clade: | Dekatriata Lamsdell, 2013 |
Groups | |
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