- Acerpenna pygmaea, Baetis harti McDunnough, 1924;Acerpenna harti;Cloe pygmaea;Baetis pygmaeus;Baetis spiethi Berner, 1940;Little medium olive dun
- Callithrix pygmaea, Pygmy marmoset;Jacchus pygmaeus;Cebuella pygmaea
- Leptosiphon pygmaeus, Pygmy linanthus;Linanthus pygmaeus
- Marsupella funckii, Jungermannia funckii;Marsupella badensis;Marsupella hungarica;Marsupella pygmaea;Nardia funckii;Nardia muelleri;Sarcoscyphus funckii;Sarcoscyphus muelleri;Sarcoscyphus pygmaeus
- Muellerella pygmaea, Muellerella pygmaea var pygmaea;Tichothecium pygmaeum;Endococcus pygmaeus;Microthelia ecatonospora;Microthelia pygmaea, Mycoporum pygmaeum;Pyrenula pygmaea;Sychnogonia pygmaea
- Pleioblastus fortunei, Dwarf Bamboo;Pleioblastus pygmaeus;Arundinaria pygmaea (Miq) Asch & Graebn;Bambusa pygmaea Miq;Pleioblastus pygmaeus var distichus (Mitford) Nakai
- Pongo pygmaeus, Orangutan;Simia pygmaeus
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