Dodatak:Abecedni popis trilobita: K
Ka
urediKabukiia, Kameschkoviella, Kamlacus, Kanfuqingia, Kaniniella,
†Kaolishania Sun 1924
uredi- †Kaolishania pustulosa Sun 1924 [1]
Trilobita → Corynexochida → Leiostegioidea → Kaolishaniidae
†Kaolishaniella Sun 1935
urediTrilobita → Corynexochida → Leiostegioidea → Kaolishaniidae
Porodica †Kaolishaniidae Kobayashi 1935
uredi- †Eokaolishania Wittke 1984 [2]
- †Kaolishania Sun 1924 [2]
- †Kaolishaniella Sun 1935 [2]
- †Liaotropis Schrank 1975 [2]
- †Mansuyia Nordsieck 2002 [2]
- †Mansuyites Shergold 1971 [2]
- †Palemansuyia Yuan and Yin 1998 [2]
- †Peichiashania Chang 1959 [2]
- †Tangjiaella Qiu 1984 [2]
Trilobita → Corynexochida → Leiostegiina → Leiostegioidea
- †Kaotaia gedongensis Yuan and Zhao 1994 [3]
- †Kaotaia globosa Chang and Zhou 1974 [3]
- †Kaotaia longa Zhang et al. 1980 [3]
- †Kaotaia magna Lu 1945 [3]
- †Kaotaia prachina Peng et al. 2009 [3]
- †Kaotaia qinkouensis Zhou 1974 [3]
- Kaotaia transoersa sp. nov. [4]
Trilobita → Ptychopariida → PtychoparioideaAlokistocaridae Karagandoides, Karginella, Kasatchaspis, Kaskia, Kassinius, Kathwaia, Kaufmannella, Kayseraspis, Kazakhius, Kazelia, Kazelina, Kazellina,
Ke
urediKeeleaspis, Kegeliella, Keidelia, Kepingaspis, Kepisis, Kerbinella,
Kh
urediKhalfinella,
Ki
urediKinderlania, Kingstoniidae, Kinsabia, Kirengelia, Kirkdomina, Kiskinella,
Kj
uredi- Kjerulfia adaioides
- Kjerulfia granulata Raw, 1936
- Kjerulfia lata Kiaer, 1917
- Kjerulfia orcina Orlowski 1974
- Kjerulfia schwarzbachi Ahlberg & Bergstrom 1986
- Kjerulfia selandica C Poulsen 1969
- Kjerulfia serksi
Trilobita → Redlichiida → Holmiidae
Kl
urediKlabavia, Klotziella,
Kn
urediKnechtelia,
Ko
urediKobayashella, Kobayashia, Kobayashipeltis, Kogenium, Kokuria, Kolbaspis, Kolbinella, Kolihapeltis, Kollarcephalus, Kolpura, Kolymella, Kolymoproetus, Komaspis, Kontrastina, Kooteniella, Kooteniellina, Koptura, Koraipsis, Korobovia, Kosovopeltis, Kotisopeltis, Kounamkites,
Kr
urediKrattaspis, Krolina,
Kt
uredi- Ktenoura aravaka Šnajdr, 1983†
- Ktenoura bicuspidata (Bouček, 1933)†
- Ktenoura retrospinosa Lane, 1971†
- Ktenoura retrospinosa oronapi Šnajdr, 1983†
Trilobita → Phacopida → Cheiruridae
Ku
urediKueichowia, Kujandina, Kulmiella, Kuljumbina, Kunshanaspis,
Ky
urediKymagnostus,