Dodatak:Popis mekušaca, K
Ka
uredi- Kainarella
- Kaiparapelta
- Kaiparathina
- Kaitoa
- Kalinga
- Kaloplocamus
- Kamekia
- Kanakyella
- Kanamarua
- Kankelibranchus
- Kaseilla
- Kaskakia
- Katadesmia
- Katelysia
- Katharina
Ke
uredi- Keenocardium
- Kejdonia
- Keletistes
- Kelletia
- Kellia
- Kelliella
- Kelliellidae
- Kelliidae
- Kelliola
- Kelliopsis
Kendrickia Solem, 1985
uredi- Kendrickia ignivenatus Solem, 1985
Mollusca → Gastropoda → Stylommatophora → Sigmurethra → Helicoidea → Camaenidae
Kendrickiana Morton, 2004
uredi- Kendrickiana veitchi (B. J. Smith, 1971)
Mollusca → Bivalvia → Anomalodesmata → Clavagelloidea → Penicillidae
- Kenyonia
- Kerguelenatica
- Kerguelenella
- Kerkia
- Kermarion
- Kermia
- Kermodon
- Kessneria
- Ketosia
Ki
uredi- Kidderia
- Kieconcha
- Kilburnia
- Kimboraga
Kl
uredi- Kleinella
Kn
uredi- Knefastia
Ko
uredi- Kobeltocochlea
- Kohniconus
- Kokikora
- Kolhymamnicola
- Kolhymorbis
- Koloonella
- Kondakovia
- Kongsrudia
- Koreamya
Kr
uredi- Krachia
- Krachiopsis
- Kruppomenia
- Krylovina
- Kryptos
Ku
uredi- Kubaryia
Mollusca → Bivalvia → Trigoniida → Trigonioidea → Trigoniidae → Neotrigoniinae
- Kuphus
- Kurilabyssia
- Kurilohadalia
- Kurodadrillia
- Kuroshiodaphne
- Kuroshioturris
- Kuroshiovolva
- Kurtiella
- Kurtzia
- Kurtziella
- Kurtzina
- Kuschelita
- Kutikina
Ky
uredi- Kylix
- Kyllinia
- Kyrina
†Kyushutrigonia Tamura and Nishimura 1994
uredi- †Kyushutrigonia hachibarensis Tamura and Nishimura 1994