Progradungula otwayensis, commonly known as the odd-clawed spider, is a species of cribellate spider endemic to the Great Otway National Park of Victoria, Australia.
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Webs have also been found near hollows in mountain ash (Eucalyptus regnans), the bases of tree ferns (Cyatheales), and even under bridges.
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The other species being the very similar Carrai cave spider (Progradungula carraiensis).
Progradungula carraiensis | ''P. otwayensis'' female: '''A''' Side view of Spider anatomy#Cephalothorax |