IUCN threat status:

Critically Endangered (CR)


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Range Description

This spider is known from only four caves in the Frade cave system, Sesimbra, Portugal. Relatively intensive searches in and around the region have failed to find the spider; surveys have been carried out over the last 34 years, and surveys of over 100 caves in the 1940s by Barros Machado, a specialist in minute spiders, did not find this species (Cardoso and Scharff 2009). Its estimated extent of occurrence (EOO) and area of occupancy (AOO) are both extremely small (EOO <3 km, AOO = 1 km).


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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