Updated 10 Jan. 2026
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Alionematichthys Møller & Schwarzhans 2008 alio-, from alius (L.), other or different; nematichthys, stem of Dinematichthys, to which this genus is most similar

Alionematichthys ceylonensis Møller & Schwarzhans 2008 -ensis, Latin suffix denoting place: Ceylon, former name of Sri Lanka, type locality

Alionematichthys crassiceps Møller & Schwarzhans 2008 crassus (L.), thick, fat or stout; –ceps (Neo-Latin), headed, referring to its characteristically large head

Alionematichthys minyomma (Sedor & Cohen 1987) minýs (μινύς), less or smaller; ómma (ὄμμα), eye, referring to its small eyes, smaller than Dinematichthys iluocoeteoides and Porocephalichthys dasyrhynchus, its presumed congeners at the time

Alionematichthys phuketensis Møller & Schwarzhans 2008 -ensis, Latin suffix denoting place: Phuket, Thailand, type locality

Alionematichthys piger (Alcock 1890) Latin for slow, lazy, reluctant or slothful, or unwilling, reluctant or averse, allusion not explained, perhaps referring to its hiding under rocks in coral-reef pools

Alionematichthys plicatosurculus Møller & Schwarzhans 2008 plicatus (L.), folded; surculus (L.), sucker of a grapevine tendril, referring to its folded inner pseudoclasper

Alionematichthys riukiuensis (Aoyagi 1954) -ensis, Latin suffix denoting place: Ryukyu Islands, Japan, type locality

Alionematichthys samoaensis Møller & Schwarzhans 2008 -ensis, Latin suffix denoting place: Swains Island, American Samoa, type locality

Alionematichthys shinoharai Møller & Schwarzhans 2008 in honor of Gento Shinohara, National Museum of Nature and Science (Tokyo), for his many contributions to ichthyology and his kind support of the authors’ revision of the family

Alionematichthys suluensis Møller & Schwarzhans 2008 -ensis, Latin suffix denoting place: Sulu Sea, Philippines, type locality

Alionematichthys winterbottomi Møller & Schwarzhans 2008 in honor of Zambian-born Canadian ichthyologist Richard Winterbottom (b. 1944), Royal Ontario Museum, for his many contributions to ichthyology and his “great support” of the authors’ revision of the family

Beaglichthys Machida 1993 named for Beagle Gulf, Shoal Bay, Northern Territory, Australia, type locality of B. macrophthalmus; ichthýs (ἰχθύς), fish

Beaglichthys bleekeri Schwarzhans & Møller 2007 in memory of Dutch medical doctor and ichthyologist Pieter Bleeker (1819–1878), “outstanding ichthyologist of the Indo-west Pacific during the early years” and who collected holotype in 1860

Beaglichthys larsonae Schwarzhans & Møller 200 7in honor of Helen Larson, Curator of Fishes, Museum and Art Gallery of the Northern Territory (Darwin, Australia), for her many contributions to the knowledge of the fishes of the Northern Territory of Australia

Beaglichthys macrophthalmus Machida 1993 big-eyed, from makrós (μακρός), long or large, and ophthalmós (ὀφθαλμός), eye, referring to its large eyes, diameter longer than snout length

Brosmolus Machida 1993 brosmo-, referring to its original placement in the bythitid subfamily Brosmophycinae (now considered polyphyletic); –olus (L.), a noun suffix

Brosmolus longicaudus Machida 1993 longus (L.), long; caudus (L.), tail, referring to its long caudal fin

Brotulinella Schwarzhans, Møller & Nielsen 2005 diminutive of Brotulina, a junior synonym of Diancistrus, to which it is related

Brotulinella taiwanensis Schwarzhans, Møller & Nielsen 2005 -ensis, Latin suffix denoting place: off the coast of southern Taiwan, type locality

Dactylosurculus Schwarzhans & Møller 2007 dáktylos (δάκτυλος), finger; surculus (L.), sucker of a grapevine tendril, referring to functional analogy with pseudoclaspers, in this case also referring to specific shape of pseudoclasper which the authors call the “middle” pseudoclasper

Dactylosurculus gomoni Schwarzhans & Møller 2007 in honor of Martin F. Gomon (b. 1945), Senior Curator, Ichthyology, Museum of Victoria (Melbourne), for his many contributions to the knowledge of the fishes of Australia

Dermatopsis Ogilby 1896 dérmato– (δέρματο), combining form of dérma (δέρμα), skin; ópsis (ὄψις), sight, referring to small eyes of D. macrodon, completely covered by skin

Dermatopsis greenfieldi Møller & Schwarzhans 2006 in honor of ichthyologist David W. Greenfield (b. 1940), for his “great” contributions to coral-reef ichthyology

Dermatopsis hoesei Møller & Schwarzhans 2006 in honor of American-born Australian ichthyologist Douglass F. Hoese (b. 1942), Australian Museum (Sydney), for many “great” contributions to Australian ichthyology

Dermatopsis joergennielseni Møller & Schwarzhans 2006 in honor of Danish ichthyologist Jørgen G. Nielsen (b. 1932), Zoological Museum of Copenhagen, for his many “great” contributions to the biology and systematics of Ophidiiformes

Dermatopsis macrodon Ogilby 1896 macro-, from makrós (μακρός), long or large; odon, from odoús (ὀδούς), tooth, allusion not explained, perhaps referring to inner series of teeth on lower jaw, “much enlarged and continued backwards along the sides in the form of a row of widely separated, curved, canine-like teeth”

Dermatopsoides Smith 1948 -oides, Neo-Latin from eī́dos (εἶδος), form or shape: presumably referring to similarity to or affinity with Dermatopsis and/or previous placement of D. kasougae in that genus

Dermatopsoides andersoni Møller & Schwarzhans 2006 in honor of M. Eric Anderson, South African Institute for Aquatic Biodiversity, for his “great” help with the authors’ revision of the family

Dermatopsoides kasougae (Smith 1943) of the Kasouga River, at the mouth, west of Port Alfred, South Africa, type locality

Dermatopsoides morrisonae Møller & Schwarzhans 2006 in honor of Sue M. Morrison, Fish Section, Aquatic Zoology, Western Australian Museum (Perth), for her “great” help with the authors’ revision of the family

Dermatopsoides talboti Cohen 1966 in honor of fisheries scientist Frank Talbot (1930–2024), South African Museum, who examined specimens for Cohen and was “particularly patient” with his requests and questions

Diancistrus Ogilby 1899 di-, from dýo (δύο), two; ancistrus, from ágkistron (ἄγκιστρον), fishhook or hook of a spindle, referring to pair of hooked appendages beside genital papilla of D. longifilis

Diancistrus alatus Schwarzhans, Møller & Nielsen 2005 Latin for winged, referring to unusually large, protruding, wing-like outer pseudoclaspers

Diancistrus alleni Schwarzhans, Møller & Nielsen 2005 in honor of American-born Australian ichthyologist Gerald R. Allen (b. 1942), Western Australia Museum (Perth), for his many contributions to the ichthyology of the West Pacific

Diancistrus altidorsalis Schwarzhans, Møller & Nielsen 2005 altus (L.), high; dorsalis (L.), of the back (in this case, neck), referring to its “high-necked profile”

Diancistrus atollorum Schwarzhans, Møller & Nielsen 2005 -orum (L.), belonging to (plural): referring to its habitat among the Micronesian atolls

Diancistrus beateae Schwarzhans, Møller & Nielsen 2005 in honor of the first author’s wife Beate, for her “most valuable support” during the many years he was engaged in the study of this genus

Diancistrus brevirostris Schwarzhans, Møller & Nielsen 2005 brevis (L.), short; rostris, Neo-Latin scientific adjective of rostrum (L.), snout (i.e., jaw), referring to its short, blunt snout

Diancistrus eremitus Schwarzhans, Møller & Nielsen 2005 Latin for hermit, referring to type locality, Hermit Island, Bismarck Archipelago, Bismarck Sea, Manus Province, Papua New Guinea

Diancistrus erythraeus (Fowler 1946) -eus (L. suffix), having the quality of: erythrós (ἐρυθρός), red, referring to “brilliant orange red” color when fresh in alcohol, with “brilliant orange scarlet” at end of snout and “scarlet infusion” under surface of head

Diancistrus fijiensis Schwarzhans, Møller & Nielsen 2005 -ensis, Latin suffix denoting place: Fiji, type locality

Diancistrus fuscus (Fowler 1946) Latin for dusky, dark or swarthy, referring to “uniform pale drab brown” color when fresh in alcohol

Diancistrus jackrandalli Schwarzhans, Møller & Nielsen 2005 in honor of American ichthyologist John “Jack” E. Randall (1924–2020), Bishop Museum (Honolulu), for his many contributions to ichthyology

Diancistrus jeffjohnsoni Schwarzhans, Møller & Nielsen 2005 in honor of Jeff Johnson, Collection Manager, Ichthyology, Queensland Museum (Brisbane), who collected holotype

Diancistrus karinae Schwarzhans, Møller & Nielsen 2005 in honor of Karin Bloch, wife of third author, for her “most valuable support” during the many hours he invested in the study of this genus

Diancistrus katrineae Schwarzhans, Møller & Nielsen 2005 in honor of Katrine Worsaae, wife of second author, for her “most valuable support” during the many hours he invested in the study of this genus

Diancistrus leisi Schwarzhans, Møller & Nielsen 2005 in honor of Jeffrey M. Leis (b. 1949), University of Tasmania, for his many contributions to the study of fish larvae

Diancistrus longifilis Ogilby 1899 longus (L.), long; filis (L.), filaments or threads, presumably referring to contiguous ventral fins, “each developed as a long filament of two distally coalescent rays”

Diancistrus machidai Schwarzhans, Møller & Nielsen 2005 in honor of Japanese ichthyologist Yoshihiko Machida (Kochi University), for his many contributions to the study of ophidiiform fishes

Diancistrus manciporus Schwarzhans, Møller & Nielsen 2005 mancus (L.), maimed, crippled, lame, or defective (authors say missing); porus, from póros (πόρος), pore, referring to lack of upper preopercular pore

Diancistrus mcgroutheri Schwarzhans, Møller & Nielsen 200 5in honor of Mark McGrouther (b. 1958), Collection Manager, Ichthyology, Australian Museum, for his “great help” with the authors’ revision of the family

Diancistrus mennei Schwarzhans, Møller & Nielsen 2005 in honor of Tammes Menne (b. 1947), fish-collection manager, Natural History Museum of Denmark, for his “great help” during the authors’ revision of the family

Diancistrus niger Schwarzhans, Møller & Nielsen 2005 Latin for dark or black, referring to its uniformly dark gray to black color when preserved (life color not known)

Diancistrus novaeguineae (Machida 1996) of Papua New Guinea, type locality

Diancistrus pohnpeiensis Schwarzhans, Møller & Nielsen 2005 -ensis, Latin suffix denoting place: Pohnpei State, Federated States of Micronesia, type locality

Diancistrus robustus Schwarzhans, Møller & Nielsen 2005 Latin for of oak or oaken and, by extension, hard, firm or solid (but often used by ichthyologists to mean fat or stout), referring to its “massive” head

Diancistrus springeri Schwarzhans, Møller & Nielsen 2005 in honor of American ichthyologist Victor G. Springer (1928–2022), U.S. National Museum, for his many contributions to the knowledge of Pacific fishes

Diancistrus tongaensis Schwarzhans, Møller & Nielsen 2005 -ensis, Latin suffix denoting place: Tonga, where most of the investigated specimens had been obtained

Diancistrus typhlops Nielsen, Schwarzhans & Hadiaty 2009 typhlós (τυφλός), blind, and ṓps (ὦψ), eye, an anchialine cave-dwelling species that lacks eyes

Diancistrus vietnamensis Schwarzhans, Møller & Nielsen 2005 -ensis, Latin suffix denoting place: Gulf of Tongking, Vietnam, type locality

Didymothallus Schwarzhans & Møller 2007 dídymos (δίδυμος), double or twofold; thallus (L.), green stalk or bough (authors say branch), referring to two supporters of nearly equal length in single pair of pseudoclaspers

Didymothallus criniceps Schwarzhans & Møller 2007 crinis (L.), hair; –ceps (Neo-Latin), headed, referring to many hair-like cirri on occiput

Didymothallus mizolepis (Günther 1867) mizo-, from meizón (μείζων), greater; lepís (λεπίς), scale, referring to its “conspicuously larger” scales than Dinematichthys iluocoeteoides and Brosmophycis marginata (Bythitidae), its presumed congeners at the time

Didymothallus nudigena Schwarzhans & Møller 2011 nudus (L.), bare or naked; génys (γένυς), jaw (usually the cheek or lower jaw in ichthyology), referring to a few small, non-imbricate scales on upper cheeks only (in contrast with continuous imbricate scale patch on upper and lower cheeks of D. mizolepis)

Didymothallus pruvosti Schwarzhans & Møller 2007 in honor of Patrice Pruvost (b. 1966), fish collection manager, Muséum national d’Histoire naturelle (Paris), for his support of the authors’ work

Dinematichthys Bleeker 1855 di-, from dýo (δύο), two, and nḗmatos (νήματος), threaded, referring to ventral fins each reduced to a filament of two rays; ichthýs (ἰχθύς), fish

Dinematichthys iluocoeteoides Bleeker 1855 -oides, Neo-Latin from eī́dos (εἶδος), form or shape: referring to its presumed relationship with the zoarcid genus Iluocoetes

Dinematichthys trilobatus Møller & Schwarzhans 2008 tri– (L.), three; lobatus (L.), lobed, referring to inner pseudoclasper with three lobes

Dipulus Waite 1905 etymology not explained, perhaps di-, from dýo (δύο), two, and pulus, a variant of phallós (φαλλός), referring to pair of very large pseudoclaspers, which are characteristic for the genus as diagnosed by Moller & Schwarzhans (2006), corresponding to the “very large transverse labia” described by Waite

Dipulus caecus Waite 1905 Latin for blind, referring to its lack of externally visible eyes (they are covered with skin)

Dipulus hutchinsi Møller & Schwarzhans 2006 in honor of J. Barry Hutchins (b. 1946), Curator of Fishes, Western Australian Museum, for his “many” great contributions to Australian ichthyology

Dipulus multiradiatus (McCulloch & Waite 1918) multi– (L.), many; radiatus (L.), rayed, referring to more dorsal- and anal-fin rays than Dermatopsis macrodon, its presumed congener at the time

Dipulus norfolkanus Machida 1993 -anus (L.), belonging to: Norfolk Island, Australia, type locality

Eusurculus Schwarzhans & Møller 2007 eū́– (εὖ), an intensive prefix, e.g., good, well or very; surculus (L.), sucker of a grapevine tendril, referring to functional analogy with pseudoclaspers and specific shape of inner pseudoclasper

Eusurculus andamanensis Schwarzhans & Møller 2007 -ensis, Latin suffix denoting place: Andaman Islands, type locality

Eusurculus pistillum Schwarzhans & Møller 2007 diminutive of pistil, referring to sucker-disk shape of inner pseudoclasper, resembling the shape of a flower’s pistil

Eusurculus pristinus Schwarzhans & Møller 2007 Latin for early or original, referring to simpler pattern of inner pseudoclasper when compared to sucker-disk observed in both congeners

Gunterichthys Dawson 1966 in honor of marine biologist and fisheries scientist Gordon Gunter (1909–1998), Gulf Coast Research Laboratory (Ocean Springs, Mississippi, USA), which conducted the larval-shrimp trawling expedition that collected G. longipenis; ichthýs (ἰχθύς), fish

Gunterichthys bussingi Møller, Schwarzhans & Nielsen 2004 in honor of American ichthyologist William Bussing (1933–2014), Universidad de Costa Rica, who “kindly” provided the authors with many specimens from Costa Rica and Isla de Coco

Gunterichthys coheni Møller, Schwarzhans & Nielsen 2004 in honor of American ichthyologist Daniel M. Cohen (1930-2017), Natural History Museum of Los Angeles County, whose many papers on dinematichthyine fishes have been of invaluable help to the authors

Gunterichthys longipenis Dawson 1966 longus (L.), long; penis (L.), copulatory organ, referring to “exceptional development of the male intromittent organ”

Lapitaichthys Schwarzhans & Møller 2007 Lapita, early indigenous pottery culture of Polynesia, discovered in New Caledonia, where genus appears to be endemic (name is based on local word xaapeta, meaning “dig a hole,” which was misheard and became lapita); ichthýs (ἰχθύς), fish

Lapitaichthys frickei Schwarzhans & Møller 2007 in honor of Ronald Fricke (b. 1959), Curator of Fishes, Staatliches Museum für Naturkunde Stuttgart (SMNS), for his many contributions to the fishes of the southwestern West Pacific and for making SMNS material available to the authors

Majungaichthys Schwarzhans & Møller 2007 Majunga (Mahajanga) province of Madagascar, where type locality is situated; ichthýs (ἰχθύς), fish

Majungaichthys agalegae Schwarzhans & Møller 2011 of the Agaléga Islands, Mauritius, Indian Ocean, where this species was first observed

Majungaichthys simplex Schwarzhans & Møller 2007 Latin for simple or uncomplicated, referring to simple pattern of the pseudoclaspers

Mascarenichthys Schwarzhans & Møller 2007 named for the Mascarene plate, where most of the specimens observed so far have been obtained; ichthýs (ἰχθύς), fish

Mascarenichthys heemstrai Schwarzhans & Møller 2007 in honor of American-born South African ichthyologist Phillip C. Heemstra (1941–2019), South African Institute for Aquatic Biodiversity, for his many contributions to the knowledge of fishes from south and east Africa

Mascarenichthys microphthalmus Schwarzhans & Møller 2007 big-eyed, from makrós (μακρός), long or large, and ophthalmós (ὀφθαλμός), eye, referring to its small eyes (0.8–1.2% SL)

Mascarenichthys remotus Schwarzhans & Møller 2011 Latin for far away or distant, referring to remote location of this endemic species, Rodrigues Islands in the southern Indian Ocean

Monothrix Ogilby 1897 mono-, from mónos (μόνος), one or single; thríx (θρίξ), hair or ray, referring to single, filiform ventral-fin ray

Monothrix polylepis Ogilby 1897 polý (πολύ), many; lepίs (λεπίς), scale, referring to smaller (and therefore more numerous) scales compared with the similar Alionematichthys piger

Nielsenichthys Schwarzhans & Møller 2011 in honor of Danish ichthyologist Jørgen G. Nielsen (b. 1932), Zoological Museum of Copenhagen, for his contributions to the biology and systematics of ophidiiform fishes; ichthýs (ἰχθύς), fish

Nielsenichthys pullus Schwarzhans & Møller 2011 Latin for dusky or dark-colored, referring to dark-brown color after a short period of preservation

Ogilbia Jordan & Evermann 1898 -ia (L. suffix), belonging to: “accomplished naturalist” James Douglas Ogilby (1853–1925), for his “excellent” work on the fishes of Australia

Ogilbia boehlkei Møller, Schwarzhans & Nielsen 2005 in honor of American ichthyologist James E. Böhlke (1930–1982), Academy of Natural Sciences of Philadelphia, who collected holotype and most of the paratypes, for the “great significance of his many publications on Bahaman ichthyology which include descriptions of several bythitid taxa”

Ogilbia boydwalkeri Møller, Schwarzhans & Nielsen 2005 in honor of the late Boyd W. Walker (1917–2001), fisheries biologist, University of California, Los Angeles, who studied Ogilbia for many years

Ogilbia cayorum Evermann & Kendall 1898 -orum, belonging to (plural): a cay (also spelled key, a small, low-elevation, sandy island on the surface of a coral reef), referring to type locality, Cayo Hueso, or Bone Key, original name of Key West, Florida

Ogilbia cocoensis Møller, Schwarzhans & Nielsen 2005 -ensis, Latin suffix denoting place: Isla del Coco, Costa Rica, type locality

Ogilbia davidsmithi Møller, Schwarzhans & Nielsen 2005 in honor of American ichthyologist David G. Smith (1942–2024), National Museum of Natural History, Smithsonian Institution (Washington, D.C.), for his “great support” of the authors’ revision of the Dinematichthyini

Ogilbia deroyi (Poll & van Mol 1966) in honor of André De Roy, commercial fisherman and shell collector at Santa Cruz Island, Galápagos Islands, type locality, who helped collect and/or provide type material

Ogilbia galapagosensis (Poll & Leleup 1965) -ensis, Latin suffix denoting place: Galápagos Islands, where it appears to be endemic

Ogilbia jeffwilliamsi Møller, Schwarzhans & Nielsen 2005 in honor of ichthyologist Jeffrey T. Williams, Smithsonian Institution (Washington, D.C.), who has provided many specimens from the Caribbean Sea, including a photograph of this species

Ogilbia jewettae Møller, Schwarzhans & Nielsen 2005 in honor Susan Jewett (formerly Karnella, b. 1945), Collection Manager, Division of Fishes, Smithsonian Institution (Washington, D.C.), for her “great support” of the authors’ revision of the Dinematichthyini

Ogilbia mccoskeri Møller, Schwarzhans & Nielsen 2005 in honor of American ichthyologist John E. McCosker (b. 1945), California Academy of Sciences, who collected holotype

Ogilbia nigromarginata Møller, Schwarzhans & Nielsen 2005 nigro, nigro, from niger (L.), dark or black; marginata (L.), edged or bordered, referring to black margins on vertical fins

Ogilbia nudiceps Møller, Schwarzhans & Nielsen 2005 nudus (L.), bare or naked; –ceps (Neo-Latin), headed, referring to scaleless head

Ogilbia robertsoni Møller, Schwarzhans & Nielsen 2005 in honor of ichthyologist David Ross Robertson (b. 1946), Smithsonian Tropical Research Institute, Panama, who collected type specimens and deposited them at the Zoological Museum, University of Copenhagen

Ogilbia sabaji Møller, Schwarzhans & Nielsen 2005 in honor of Mark Sabaj (b. 1969), Collection Manager, Ichthyology, Academy of Natural Sciences of Philadelphia, who invited the authors to examine the large collection of American Dinematichthyini in Philadelphia

Ogilbia sedorae Møller, Schwarzhans & Nielsen 2005 in honor of Allegra Noelle Sedor, whose 1985 M. Sc. thesis provided much new insight to the phylogenetic implications of the male copulatory organ of dinematichthyine fishes

Ogilbia suarezae Møller, Schwarzhans & Nielsen 2005 in honor of Susan S. Suarez (b. 1949), Cornell University, for her “careful” 1975 study of the reproductive biology of O. cayorum

Ogilbia tyleri Møller, Schwarzhans & Nielsen 2005 in honor of ichthyologist James C. Tyler (b. 1935), Smithsonian Institution (Washington, D.C.), who collected most of the type material

Ogilbia ventralis (Gill 1863) Latin for of the belly, presumably referring to its filamentous ventral fins

Ogilbichthys Møller, Schwarzhans & Nielsen 2004 Ogilbia, referring to its general resemblance to that genus; ichthýs (ἰχθύς), fish

Ogilbichthys ferocis Møller, Schwarzhans & Nielsen 2004 genitive singular of ferox (L.), fearsome, referring to fang-like teeth on middle dentary, which give it a “ferocious expression”

Ogilbichthys haitiensis Møller, Schwarzhans & Nielsen 2004 -ensis, Latin suffix denoting place: Haiti, type locality

Ogilbichthys kakuki Møller, Schwarzhans & Nielsen 2004 in honor of Brian Kakuk, Diving Safety Officer, Caribbean Marine Research Center, Lee Stocking Island, Bahamas, who kindly presented a newly-caught specimen

Ogilbichthys longimanus Møller, Schwarzhans & Nielsen 2004 longus (L.), long; manus (L.), hand (homologous to the pectoral fin), referring to its pectoral fins, longer than in any other American dinematichthyid

Ogilbichthys microphthalmus Møller, Schwarzhans & Nielsen 2004 big-eyed, from makrós (μακρός), long or large, and ophthalmós (ὀφθαλμός), eye, referring to its minute eyes

Ogilbichthys puertoricoensis Møller, Schwarzhans & Nielsen 2004 -ensis, Latin suffix denoting place: Puerto Rico, type locality

Ogilbichthys tobagoensis Møller, Schwarzhans & Nielsen 2004 -ensis, Latin suffix denoting place: Tobago, type locality

Paradiancistrus Schwarzhans, Møller & Nielsen 2005 pará (παρά), near, referring to its most similar genus, Diancistrus

Paradiancistrus acutirostris Schwarzhans, Møller & Nielsen 2005 acutus, sharp; rostris, snout, referring to its sharp, pointed snout

Paradiancistrus christmasensis Schwarzhans & Møller 2011 -ensis, Latin suffix denoting place: Christmas Island, eastern Indian Ocean, type locality

Paradiancistrus cuyoensis Schwarzhans, Møller & Nielsen 2005 -ensis, Latin suffix denoting place: Cuyo Islands, northeast of Palawan, Philippines, type locality

Paradiancistrus lombokensis Schwarzhans & Møller 2007 -ensis, Latin suffix denoting place: western shore of Lombok Island, Indonesia, type locality

Porocephalichthys Møller & Schwarzhans 2008 porus, from póros (πόρος), pore, and cephalus, from kephalḗ (κεφαλή), head, referring to many pores on head; ichthýs (ἰχθύς), fish

Porocephalichthys dasyrhynchus (Cohen & Hutchins 1982) shaggy-snouted, fromdasýs (δασύς), hairy or shaggy, and rhýnchos (ῥύγχος), snout, referring to prominent cirri on snout

Pseudogilbia Møller, Schwarzhans & Nielsen 2004 pseudo-, from pseúdēs (ψεύδης), false, i.e., although this genus may resemble Ogilbia, such an appearance is false

Pseudogilbia australis Bauer, Schwarzhans, Moura, Nunes & Mincarone 2021 Latin for southern, the only dinematichthyid reported in the South Atlantic

Pseudogilbia sanblasensis Møller, Schwarzhans & Nielsen 2004 -ensis, Latin suffix denoting place: San Blas Archipelago, Caribbean Panama, type locality

Typhlias Hubbs 1938 -ias (-ίας), suffix used to form a masculine noun: typhlós (τυφλός), blind, referring to its total lack of eyes [Typhliasina Whitley 1951 is an unneeded replacement name]

Typhlias pearsei Hubbs 1938 in honor of American zoologist Arthur Sperry Pearse (1877–1956), who collected holotype

Ungusurculus Schwarzhans & Møller 2007 ungulus (L.), claw; surculus (L.), sucker of a grapevine tendril, referring to functional analogy with the pseudoclaspers and specific shape of inner pseudoclasper

Ungusurculus collettei Schwarzhans & Møller 2007 in honor of American ichthyologist Bruce B. Collette (b. 1934), Director, National Marine Fisheries Service Systematics Laboratory, who collected holotype, for his many contributions to ichthyology

Ungusurculus komodoensis Schwarzhans & Møller 2007 -ensis, Latin suffix denoting place: Komodo Island between Flores and Sumbawa, Indonesia, type locality

Ungusurculus philippinensis Schwarzhans & Møller 2007 -ensis, Latin suffix denoting place: referring to its distribution along the Philippine Islands

Ungusurculus riauensis Schwarzhans & Møller 2007 -ensis, Latin suffix denoting place: Riau Archipelago, where most of the investigated specimens were obtained

Ungusurculus sundaensis Schwarzhans & Møller 2007 -ensis, Latin suffix denoting place: Sunda Arch of Indonesia, where all investigated specimens were obtained

Ungusurculus williamsi Schwarzhans & Møller 2007 in honor of ichthyologist Jeffrey T. Williams, Smithsonian Institution (Washington, D.C.), who collected holotype, for his contribution to the knowledge of the fishes of the Philippines

Zephyrichthys Schwarzhans & Møller 2007 zephyrus, Greek god of (and Latin for) the west wind, referring to distribution along west Australian coast; ichthýs (ἰχθύς), fish

Zephyrichthys barryi Schwarzhans & Møller 2007 in honor of J. Barry Hutchins (b. 1946), Curator of Fishes, Western Australian Museum (WAM), for many contributions to the fishes of Australia and his support in making material from the WAM collection available to the authors