Phalangiotarbida
Extinct order of arachnids / From Wikipedia, the free encyclopedia
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Phalangiotarbida is an extinct arachnid order first recorded from the Early Devonian of Germany and most widespread in the Upper Carboniferous coal measures of Europe and North America.[1] The last species are known from the early Permian Rotliegend of Germany.
Phalangiotarbida | |
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Goniotarbus angulatus fossil, dorsal and ventral views | |
Reconstruction of Goniotarbus angulatus and Mesotarbus peteri | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Subphylum: | Chelicerata |
Class: | Arachnida |
Order: | †Phalangiotarbida Haase, 1890 |
Families | |
Currently 4 families, see text for details. | |
Synonyms | |
Architarbi |
The affinities of phalangiotarbids are obscure, with most authors favouring affinities with Opiliones (harvestmen) and/or Acari (mites and ticks). Phalangiotarbida has been recently (2004) proposed to be sister group to (Palpigradi+Tetrapulmonata): the taxon Megoperculata sensu Shultz (1990).[2]
Nemastomoides depressus, described as a harvestman in the family Nemastomoididae, is actually a poorly preserved phalangiotarbid.[3]