Revised 19 Dec. 2023
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Oreoleuciscus Warpachowski 1889 óreos (Gr. ὄρεος), genitive of óros (ὄρος), mountain or hill, referring to distribution in short upland streams that drain southern slopes of Tanny-Ula and Hangayin (Hangay), and northern slopes of the Mongolian Altai mountain ranges; leuciscus, possibly referring to similarity to and/or perceived affinity with European Leuciscus, or possibly used as a generic suffix for dace (hence English vernacular, “mountain daces”)

Oreoleuciscus angusticephalus Bogutskaya 2001 narrow-headed, from angustus (L.), narrow, and kephalḗ (Gr. κεφαλή), head, referring to its long, narrow neurocranium

Oreoleuciscus dsapchynensis Warpachowski 1889 –ensis, Latin suffix denoting place: Dsapchyn (also spelled Dsabchyn) River, northwestern Mongolia, type locality

Oreoleuciscus humilis Warpachowski 1889 Latin for low or on the ground, allusion not explained, perhaps referring to its “low body” (translation) compared with known congeners at the time

Oreoleuciscus potanini (Kessler 1879) in honor of Grigory Nikolayaevich Potanin (1835–1920), Russian explorer of Inner Asia, who collected holotype

Pseudaspius Dybowski 1869 pseudo-, from pseúdēs (Gr. ψεύδης), false, i.e., although this genus may superficially resemble Aspius (Leuciscinae), which also has a wedge-shaped head, such an appearance is false

Pseudaspius brandtii (Dybowski 1872) patronym not identified but probably in honor of German naturalist Johann Friedrich von Brandt (1802–1879)

Pseudaspius brandtii maruta (Sakai & Amano 2014) traditional local name for this subspecies in the Kanto District, Japan

Pseudaspius hakonensis (Günther 1877) –ensis, Latin suffix denoting place: Lake Hakone, Japan, type locality

Pseudaspius leptocephalus (Pallas 1776) thin-headed, from leptós (Gr. λεπτός), thin, and kephalḗ (Gr. κεφαλή), head, referring to its wedge-shaped head

Pseudaspius nakamurai (Doi & Shinzawa 2000) in honor of Morizumi Nakamura (1914–1998), National Science Museum (Tokyo), for his contribution to our knowledge of the classification of Japanese cyprinoid fishes

Pseudaspius sachalinensis (Nikolskii 1889) –ensis, Latin suffix denoting place: Saghalin Island, Russia, where it is endemic

Rhynchocypris Günther 1889 rhýnchos (Gr. ῥύγχος), snout, referring to “conically protruding snout” of R. variegata (= oxycephalus); cypris, a common suffix for cyprinoid genera, derived from Cyprinus (Common Carp), although Günther may have used the suffix to reflect his belief that the genus “seems to come nearer to some of the small North-American members of Cyprinina than to any of the Old-World forms”

Rhynchocypris czekanowskii (Dybowski 1869) patronym not identified, probably in honor of Dybowski’s colleague, Polish geologist and Siberian explorer Aleksander Czekanowski (1833–1876)

Rhynchocypris dementjevi (Turdakov & Piskarev 1954) in honor of “recently deceased” (translation) ichthyologist Petr Petrovich Dementiev, who worked in Kyrgystan (type locality)

Rhynchocypris deogyuensis Lee & Sim 2017 –ensis, Latin suffix denoting place: Deogyusan National Park, South Korea, where it occurs

Rhynchocypris keumkang (Chyung 1977) named for Kuumgangsan, a mountain on the west coast of North Korea, near a stream where it was collected (and described but not named) by Uchida in the 1930s [often recorded as R. kumgangensis (Kim 1980), apparently a separate description of the same species and therefore a junior synonym]

Rhynchocypris lagowskii (Dybowski 1869) patronym not identified, probably in honor of Siberian revolutionary Mikhail Fedorovich Lagowski (1856–1903)

Rhynchocypris lagowskii chorensis (Rendahl 1928) –ensis, Latin suffix denoting place: Chor River, Ussuri River drainage, Russia, type locality

Rhynchocypris lagowskii yamamotis (Jordan & Hubbs 1925) -is, Latin genitive singular of: Senzi Yamamoto, Imperial University of Kyoto, who helped Jordan acquire specimens from Japanese fish markets

Rhynchocypris mantschuricus (Berg 1907) –icus (L.), belonging to: Manchuria, historical name for northeast Asia, where Amur River basin (China), type locality, is situated

Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant 1874) sharp-headed, from oxýs (Gr. ὀξύς), sharp or pointed, and kephalḗ (Gr. κεφαλή), head, allusion not explained, perhaps referring to fleshy snout that protrudes beyond premaxilla

Rhynchocypris oxycephalus jouyi (Jordan & Snyder 1901) in honor of American naturalist, ethnographer and collector Pierre Louis Jouy (1856–1894), who collected holotype

Rhynchocypris percnurus (Pallas 1814) dark-tailed, from perknós (Gr. περκνός), dark or dusky, and urus, from ourá (Gr. οὐρά), tail, described as having an olive-brown (“olivaceo-fusca”) caudal fin [published as both percnurus and perenurus, the difference presumably due to a typographical error, but percnurus appears to be the intended name since it translates whereas perenurus does not]

Rhynchocypris sachalinensis (Berg 1907) –ensis, Latin suffix denoting place: southern Sakhalin Island, Russia, type locality

Rhynchocypris semotilus (Jordan & Starks 1905) etymology not explained, perhaps an allusion to Semotilus atromaculatus (Plagopterinae), which also has a dark spot at dorsal-fin base

Rhynchocypris steindachneri (Sauvage 1883) patronym not identified but almost certainly in honor of Austrian ichthyologist Franz Steindachner (1834–1919)