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- ›Malacostracans
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- ›Decapods
- ›Crabs, Lobsters, Shrimps, and Allies
- ›True Crabs
- ›Eubrachyuran Crabs
- ›Heterotrematan Crabs
- ›Pseudothelphusoidea
- ›Neotropical Freshwater Crabs
- ›Kingsleyinae
Fredius
Fredius is a genus of crabs in the family Pseudothelphusidae, containing the following species:
Fredius adpressus Rodríguez & Periera, 1992
13 branches of this genus, most-observed first

Fredius denticulatus
speciesFredius denticulatus

Fredius reflexifrons
speciesFredius reflexifrons

Fredius ibiapaba
speciesFredius ibiapaba

Fredius stenolobus
speciesFredius stenolobus

Fredius beccarii
speciesFredius beccarii
Fredius adpressus
speciesFredius adpressus
Fredius chaffanjoni
speciesFredius chaffanjoni
Fredius estevisi
speciesFredius estevisi
Fredius fittkaui
speciesFredius fittkaui
Fredius granulatus
speciesFredius granulatus
Fredius platyacanthus
speciesFredius platyacanthus
Fredius ykaa
speciesFredius ykaa
Fredius cuaoensis
speciesFredius cuaoensis
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Fredius in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 88412.