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Superregnum : Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Otomorpha
Subcohors: Ostariophysi
Sectio: Otophysa
Ordo: Siluriformes

Familia: Loricariidae
Subfamilia: Loricariinae
Tribus: Loricariini
Genus: Aposturisoma
Species: Aposturisoma myriodon

Aposturisoma myriodon is a species of armored catfish. It is the only species in the genus Aposturisoma.

The generic name derives from Greek apo- meaning "outside", German sturio meaning "sturgeon" and Greek soma meaning "body"; the whole referring to its outwardly similar appearance to a sturgeon.

Aposturisoma myriodon is native to South America, the Aguaytia River basin in the Upper Amazon River drainage. This species is only known from its type location.[1] This species is rheophilic, preferring to live in shallow, fast waters with a rubble substrate.[1]

These fish may reach a length of 20.0 centimetres (7.9 in) SL.[2] They appear rather similar to the closely related Farlowella, though they have a larger mouth, deeper and wider body, and thicker caudal peduncle.[1]

Covain, Raphael; Fisch-Muller, Sonia (2007). "The genera of the Neotropical armored catfish subfamily Loricariinae (Siluriformes: Loricariidae): a practical key and synopsis" (PDF). Zootaxa. 1462: 1–40.
Froese, Rainer; Pauly, Daniel (eds.) (2011). "Aposturisoma myriodon" in FishBase. December 2011 version.

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