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Monotypic taxon:
Family †
Protheridiidae
Wunderlich, 2004
(spider)
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Entity:
Araneoidea (Superfamily)
..Araneidae (Family) - orb-weavers
..†Baltsuccinidae (Family)
..Cyatholipidae (Family)
..†Juraraneidae (Family)
..†Leviunguidae (Family)
..linyphioids ([unranked])
..Malkaridae (Family)
..†Megasetidae (Family)
..†Mesarania (Genus)
..Nesticidae (Family)
..Physoglenidae (Family)
..†Praetheridiidae (Family)
..†Pumiliopimoidae (Family)
..symphytognathoids ([unranked])
..Synotaxidae (Family)
..tetragnathoids ([unranked])
..Theridiidae (Family) - cobweb and widow spiders
..†Zarqaraneidae (Family)
..†Protheridiidae (Family)
....†Protheridion (Genus)
Basic information
Period
:
Eocene [56 - 33.9 Ma]
Status
:
fossil
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026