Planaterga
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Planaterga is a clade of prosomapod euchelicerates including several synziphosurid genera and the group Dekatriata. Planaterga is defined by the opisthosoma with tergites broadest at third or fourth a
Limuloides limuloides specimen In 60018
Eatoniana namaquensis 46890827
Dekatriata
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Dekatriata is a clade of planatergan chelicerates including the groups Arachnida, Chasmataspidida, Eurypterida and additionally two stem-genera Winneshiekia and Houia. Dekatriata is defined by an opis
Planaterga
…Planaterga is a clade of prosomapod euchelicerates including several synziphosurid genera (mainly bunodids and pseudoniscids) and the group Dekatriata (which in turn includes arachnids, chasmataspidids and eurypterids). Planaterga is defined by the opisthosoma with tergites broadest at third or fourth…
Eurypterus remipes
Araneus diadematus 257107384