| Valid Scientific Names Starting with "K" |
| n = 724 Search SeaLifeBase |
| Kaburakia excelsa |
| Kachuga dhongoka |
| Kachuga kachuga |
| Kachuga smithii |
| Kachuga sylhetensis |
| Kachuga tecta |
| Kachuga tentoria |
| Kachuga trivittata |
| Kadosactis abyssicola |
| Kadosactis rosea |
| Kadosactis spitsbergensis |
| Kadosactis sulcata |
| Kaikoja globosa |
| Kainomatomysis foxi |
| Kainomatomysis schieckei |
| Kaiparapelta askewi |
| Kaisquilla laevis |
| Kakanui integricauda |
| Kakanuiella chathamensis |
| Kali caribbaea |
| Kali colubrina |
| Kali falx |
| Kali indica |
| Kali macrodon |
| Kali macrura |
| Kali normani |
| Kali parri |
| Kalimantania lawak |
| Kalliapseudes bahamensis |
| Kalliapseudes borceai |
| Kalliapseudes crassus |
| Kalliapseudes dentatus |
| Kalliapseudes gianucai |
| Kalliapseudes magnus |
| Kalliapseudes makrothrix |
| Kalliapseudes makrothrixoides |
| Kalliapseudes mauritanicus |
| Kalliapseudes obtusifrons |
| Kalliapseudes primitivus |
| Kalliapseudes schubarti |
| Kalliapseudes tomiokaensis |
| Kalliapseudes viridis |
| Kallypilidion nigro |
| Kallypilidion poseidon |
| Kaloplocamus ramosus |
| Kalyptatherina helodes |
| Kalyptodoras bahiensis |
| Kamaka derzhavini |
| Kamaka kuthae |
| Kamehatylus nani |
| Kamoharaia megastoma |
| Kanaka pelagica |
| Kanakythyris pachyrhynchos |
| Kanaloa manoa |
| Kanekonia florida |
| Kanekonia pelta |
| Kanekonia queenslandica |
| Kantharella antarctica |
| Kantiella enigmatica |
| Karalepis stewarti |
| Kareius bicoloratus |
| Karllangia arenicola |
| Karllangia psammophila |
| Karllangia tertia |
| Karsten totoyensis |
| Kasatkia memorabilis |
| Kasatkia seigeli |
| Kasim insuetus |
| Kasim karubar |
| Kasim philippinensis |
| Kassina arboricola |
| Kassina cassinoides |
| Kassina cochranae |
| Kassina fusca |
| Kassina kuvangensis |
| Kassina lamottei |
| Kassina maculata |
| Kassina maculifer |
| Kassina maculosa |
| Kassina mertensi |
| Kassina schioetzi |
| Kassina senegalensis |
| Kassina somalica |
| Kassinula wittei |
| Katamysis warpachowskyi |
| Katascaphius sturanus |
| Katelysia eugibba |
| Katelysia ferruginea |
| Katelysia hiantina |
| Katelysia japonica |
| Katelysia marmorata |
| Katerythrops oceanae |
| Katerythrops resimora |
| Katerythrops tattersalli |
| Katerythrops triangulata |
| Kathala axillaris |
| Katharina tunicata |
| Kathetostoma albigutta |
| Kathetostoma averruncus |
| Kathetostoma canaster |
| Kathetostoma cubana |
| Kathetostoma fluviatilis |
| Kathetostoma giganteum |
| Kathetostoma laeve |
| Kathetostoma nigrofasciatum |
| Katianira acarina |
| Katianira bilobata |
| Katianira chelifera |
| Katianira platyura |
| Katianira setifera |
| Katibasia insidiosa |
| Katria katria |
| Katsuwonus pelamis |
| Kaupichthys atronasus |
| Kaupichthys brachychirus |
| Kaupichthys diodontus |
| Kaupichthys hyoproroides |
| Kaupichthys japonicus |
| Kaupichthys nuchalis |
| Kaupus costatus |
| Kebira uteoides |
| Kebuita glabra |
| Kefersteinia haplosetosa |
| Keijia lirata |
| Kelleria regalis |
| Kelleria rubimaculata |
| Kelletia kelletii |
| Kellia cycladea |
| Kellia cycladiformis |
| Kellia japonica |
| Kellia minima |
| Kellia nimrodiana |
| Kellia porculus |
| Kellia simulans |
| Kellia suborbicularis |
| Kellicottia bostoniensis |
| Kellicottia longispina |
| Kelliella abyssicola |
| Kelliella bruuni |
| Kelliella galatheae |
| Kelliella miliaris |
| Kelliella nitida |
| Kelliella tasmanensis |
| Kelloggella cardinalis |
| Kelloggella centralis |
| Kelloggella oligolepis |
| Kelloggella quindecimfasciata |
| Kelloggella tricuspidata |
| Kemphyra corallina |
| Kempina mikado |
| Kenkia rhynchida |
| Kensleylana briani |
| Kentrocapros aculeatus |
| Kentrocapros eco |
| Kentrocapros flavofasciatus |
| Kentrocapros rosapinto |
| Kentrodoris rubescens |
| Kenyaconger heemstrai |
| Kenyoniscus paradoxus |
| Kepon halimi |
| Kepon orientalis |
| Kepon typus |
| Keratella americana |
| Keratella carinata |
| Keratella cochlearis |
| Keratella crassa |
| Keratella cruciformis |
| Keratella earlinae |
| Keratella gracilenta |
| Keratella hiemalis |
| Keratella irregularis |
| Keratella javana |
| Keratella lenzi |
| Keratella mixta |
| Keratella ona |
| Keratella palludosa |
| Keratella quadrata |
| Keratella reducta |
| Keratella serrulata |
| Keratella stipita |
| Keratella taurocephala |
| Keratella testudo |
| Keratella ticinensis |
| Keratella tropica |
| Keratella valga |
| Keratoisis flexibilis |
| Keratoisis glaesa |
| Keratoisis hikurangiensis |
| Keratoisis projecta |
| Keratoisis tangentis |
| Keratoisis zelandica |
| Keratosum maximum |
| Kerguelenia compacta |
| Kerguelenica platycephala |
| Kerilia jerdonii |
| Kermadecella magnipalpa |
| Kermia aglaia |
| Kermia albicaudata |
| Kermia albifuniculata |
| Kermia alveolata |
| Kermia aniani |
| Kermia benhami |
| Kermia bifasciata |
| Kermia brunnea |
| Kermia caletria |
| Kermia canistra |
| Kermia catharia |
| Kermia chichijimana |
| Kermia chrysolitha |
| Kermia crassula |
| Kermia cylindrica |
| Kermia daedalea |
| Kermia edychroa |
| Kermia foraminata |
| Kermia granosa |
| Kermia harenula |
| Kermia informa |
| Kermia lutea |
| Kermia maculosa |
| Kermia melanoxytum |
| Kermia producta |
| Kermia pumila |
| Kermia pumilia |
| Kermia pustulosum |
| Kermia pyrgodea |
| Kermia rufolirata |
| Kermia sagenaria |
| Kermia spelaeodea |
| Kermia subcylindrica |
| Kermia subspurcum |
| Kermia tessellata |
| Kermia thespesia |
| Kermia thorssoni |
| Kermia tippetti |
| Kermystheus ociosa |
| Kertomichthys blastorhinos |
| Kestratherina brevirostris |
| Kestratherina esox |
| Kesun fusus |
| Kesun gravieri |
| Ketengus typus |
| Ketosus setosus |
| Keuphylia nodosa |
| Kidderia acrobeles |
| Kidderia aupouria |
| Kidderia bicolor |
| Kidderia campbellica |
| Kidderia costata |
| Kidderia fiordlandica |
| Kidderia marshalli |
| Kidderia rakiura |
| Kidderia sudquadrum |
| Kijanebalola cubuetes |
| Kijanebalola dubia |
| Kiklonana arnaudi |
| Kimberleydillo waldockae |
| Kimberleyeleotris hutchinsi |
| Kimberleyeleotris notata |
| Kimblaeus bassensis |
| Kinberginereis inermis |
| Kinbergonuphis difficilis |
| Kinbergonuphis investigatoris |
| Kinbergonuphis microcephala |
| Kinbergonuphis nannognathus |
| Kinbergonuphis orensanzi |
| Kinbergonuphis pulchra |
| Kinbergonuphis simoni |
| Kinbergonuphis vexillaria |
| Kinbergonuphis virgata |
| Kincaidiana freidris |
| Kincaidiana hexatheca |
| Kinetoskias arborescens |
| Kinetoskias beringi |
| Kinetoskias mitsukurii |
| Kinetoskias smitti |
| Kinixys belliana |
| Kinixys erosa |
| Kinixys homeana |
| Kinixys natalensis |
| Kinonchulus sattleri |
| Kinorhynchus anomalus |
| Kinorhynchus apotomus |
| Kinorhynchus belizensis |
| Kinorhynchus cataphractus |
| Kinorhynchus deirophorus |
| Kinorhynchus distens |
| Kinorhynchus erismatus |
| Kinorhynchus fimbriatus |
| Kinorhynchus giganteus |
| Kinorhynchus iliocryptus |
| Kinorhynchus langi |
| Kinorhynchus mainensis |
| Kinorhynchus paraneapolitanus |
| Kinorhynchus phyllotropis |
| Kinorhynchus rabaulensis |
| Kinorhynchus spinosus |
| Kinorhynchus stenopygus |
| Kinorhynchus trisetosus |
| Kinorhynchus yushini |
| Kinosternon acutum |
| Kinosternon alamosae |
| Kinosternon angustipons |
| Kinosternon arizonense |
| Kinosternon baurii |
| Kinosternon creaseri |
| Kinosternon dunni |
| Kinosternon flavescens |
| Kinosternon herrerai |
| Kinosternon hirtipes |
| Kinosternon integrum |
| Kinosternon leucostomum |
| Kinosternon oaxacae |
| Kinosternon scorpioides |
| Kinosternon sonoriense |
| Kinosternon subrubrum |
| Kionotrochus suteri |
| Kirchenpaueria adhaerens |
| Kirchenpaueria biseptata |
| Kirchenpaueria bonnevieae |
| Kirchenpaueria curvata |
| Kirchenpaueria echinulata |
| Kirchenpaueria magellanica |
| Kirchenpaueria moneroni |
| Kirchenpaueria paucinema |
| Kirchenpaueria pinnata |
| Kirchenpaueria plumularoides |
| Kirchenpaueria similis |
| Kirchenpaueria triangulata |
| Kirchenpaueria ventruosa |
| Kirkpatrickia topsenti |
| Kishinouyea corbini |
| Kishinouyea hawaiiensis |
| Kishinouyea nagatensis |
| Kithironiscus paragamiani |
| Kiunga ballochi |
| Kiunga bleheri |
| Kivudillo benoiti |
| Kiwa hirsuta |
| Kiyohimea aurita |
| Kiyohimea usagi |
| Klausewitzia ritae |
| Kleinella cedrosa |
| Klieonychocamptoides arenicola |
| Klieonychocamptoides remanei |
| Klieonychocamptus discipes |
| Klieonychocamptus kliei |
| Kliopsyllus arenicolus |
| Kliopsyllus californicus |
| Kliopsyllus capensis |
| Kliopsyllus coelebs |
| Kliopsyllus constrictus |
| Kliopsyllus debilis |
| Kliopsyllus enalius |
| Kliopsyllus furcavaricatus |
| Kliopsyllus gracilis |
| Kliopsyllus holsaticus |
| Kliopsyllus idiotes |
| Kliopsyllus insularis |
| Kliopsyllus laurenticus |
| Kliopsyllus longifurcatus |
| Kliopsyllus longisetosus |
| Kliopsyllus major |
| Kliopsyllus minutus |
| Kliopsyllus paraholsaticus |
| Kliopsyllus perharidiensis |
| Kliopsyllus psammobiontus |
| Kliopsyllus psammophilus |
| Kliopsyllus pseudogracilis |
| Kliopsyllus pygmaeus |
| Kliopsyllus runtzi |
| Kliopsyllus spiniger |
| Kliopsyllus wilsoni |
| Klugea filiformis |
| Klugea longiseta |
| Klugea pigmentata |
| Klugea stenolaima |
| Klyxum simplex |
| Knefastia dalli |
| Knefastia funiculata |
| Knefastia hilli |
| Knefastia horrenda |
| Knefastia howelli |
| Knefastia olivacea |
| Knefastia princeps |
| Knefastia tuberculifera |
| Knefastia walkeri |
| Kneria angolensis |
| Kneria ansorgii |
| Kneria auriculata |
| Kneria katangae |
| Kneria maydelli |
| Kneria paucisquamata |
| Kneria polli |
| Kneria ruaha |
| Kneria rukwaensis |
| Kneria sjolandersi |
| Kneria stappersii |
| Kneria uluguru |
| Kneria wittei |
| Knipowitschia cameliae |
| Knipowitschia caucasica |
| Knipowitschia croatica |
| Knipowitschia ephesi |
| Knipowitschia goerneri |
| Knipowitschia iljini |
| Knipowitschia longecaudata |
| Knipowitschia mermere |
| Knipowitschia milleri |
| Knipowitschia montenegrina |
| Knipowitschia mrakovcici |
| Knipowitschia panizzae |
| Knipowitschia punctatissima |
| Knipowitschia radovici |
| Knipowitschia thessala |
| Knodus breviceps |
| Knodus caquetae |
| Knodus chapadae |
| Knodus delta |
| Knodus gamma |
| Knodus geryi |
| Knodus heteresthes |
| Knodus longus |
| Knodus megalops |
| Knodus meridae |
| Knodus mizquae |
| Knodus moenkhausii |
| Knodus orteguasae |
| Knodus pasco |
| Knodus savannensis |
| Knodus septentrionalis |
| Knodus shinahota |
| Knodus smithi |
| Knodus tiquiensis |
| Knodus victoriae |
| Kochichthys flavofasciatus |
| Kochlorine floridana |
| Koellikerina constricta |
| Koellikerina diforficulata |
| Koellikerina elegans |
| Koellikerina fasciculata |
| Koellikerina maasi |
| Koellikerina multicirrata |
| Koellikerina octonemalis |
| Koellikerina ornata |
| Koernaria goffartia |
| Koernaria lepida |
| Koernaria luziae |
| Koernaria paesleri |
| Kogia breviceps |
| Kogia sima |
| Kogmania depressa |
| Koleolepas tinkeri |
| Kolga hyalina |