British Carboniferous arachnids. It is the only known member of the order Haptopoda. The original fossils have been redescribed in detail by Alexander Petrunkevitch...

fossils tend to recover the Tetrapulmonata, including the extinct group the Haptopoda, but recover other ordinal relationships with low support. The Uraraneida...

phylogenetic studies. Two extinct orders are also placed in this clade, Haptopoda and Uraraneida. In 2016, a newly described fossil arachnid, Idmonarachne...

prosoma and opisthosoma). Anthracomartida and another extinct order, Haptopoda, were grouped into a subclass Stethostomata defined by a broad division...

Haptopoda†...

Megoperculata Order Amblypygi (Whip spiders) Order Araneae (Spiders) Order †Haptopoda Order Palpigradi (Microwhip scorpions) Order †Uraraneida Order Ricinulei...