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Temporal range: Miocene–Recent
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Section: Eubrachyura
Subsection: Heterotremata
Superfamily: Trichodactyloidea
H. Milne-Edwards, 1835
Family: Trichodactylidae
H. Milne-Edwards, 1835 [1]

Trichodactylidae is a family of crabs, in its own superfamily, Trichodactyloidea. They are all freshwater animals from Central and South America,[2] including some offshore islands, such as Ilhabela, São Paulo.[3] Only one of the 50 species is known from the fossil record, Sylviocarcinus piriformis from the Miocene of Colombia.[4] The family contains 15 genera in two subfamilies:[5]

Subfamily Dilocarcininae Pretzmann, 1978
Subfamily Trichodactylinae H. Milne-Edwards, 1853


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