Updated 18 March 2024
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Pogonopoma Regan 1904 pṓgōn (Gr. πώγων), beard; pṓma (Gr. πῶμα), lid or cover, i.e., opercle, referring to “operculum and interoperculum with well-developed marginal bristles”

Pogonopoma obscurum Quevedo & Reis 2002 Latin for dark, referring to its coloration (black in living specimens, uniformly grayish-brown in alcohol)

Pogonopoma parahybae (Steindachner 1877) of rio Parahyba, rio Paraíba do Sul basin, Brazil, type locality

Pogonopoma wertheimeri (Steindachner 1867) patronym not identified, in honor of either Louis Wertheimer of the Thayer Expedition to Brazil (1865–1866), or Achilles Wertheimer, who died on the expedition due to a snakebite (see Wertheimeria, Doradidae)

Pseudorinelepis Bleeker 1862 pseudo-, from pseúdēs (Gr. ψεύδης), false, i.e., although this genus may superficially resemble Rhinelepis, such an appearance is false

Pseudorinelepis genibarbis (Valenciennes 1840) génys (Gr. γένυς), jaw (usually the cheek or lower jaw in ichthyology); barbis (scientific Neo-Latin), barbel, referring to interoperculum armed with a bundle of long erectile spines (similar to a tuft of hairs)

Rhinelepis Agassiz 1829 rhínē (Gr. ῥίνη), rasp; lepίs (Gr. λεπίς), scale, referring to rough scales (or body plates) of R. aspera

Rhinelepis aspera Spix & Agassiz 1829 Latin for rough, referring to “minute rough needles” (translation) all over body

Rhinelepis strigosa Valenciennes 1840 Latin for lean, lanky, thin or meager, allusion not explained nor evident (does not appear to be a slender fish to us)