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| Kingdom Animalia |
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Abylopsis tetragona (Otto, 1823) – valid
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Anodon subtetragona Heude, 1879 – invalid
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Anodonta tetragona Lea, 1845 – invalid
|
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Arca tetragona Poli, 1795 – valid
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Epuraea tetragona (Murray, 1864) – invalid
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Fasciola tetragona O. F. Müller, 1774 – invalid
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Leanira tetragona – valid
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Neoleanira tetragona – valid
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Oecetis tetragona Marlier, 1965 – valid
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Planaria tetragona (O. F. Müller, 1774) – invalid
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Tarache tetragona (Walker, 1858) – valid
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Tetragona Lepeletier and Audinet-Serville, 1828 – valid
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Tetragona beebei (Schwarz, 1938) – valid
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Tetragona clavipes (Fabricius, 1804) – valid
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Tetragona dissecta Moure, 2000 – valid
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Tetragona dorsalis (Smith, 1854) – valid
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Tetragona essequiboensis (Schwarz, 1940) – valid
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Tetragona francoi Moure, 1946 – invalid
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Tetragona goettei (Friese, 1900) – valid
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Tetragona handlirschii (Friese, 1900) – valid
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Tetragona kaieteurensis (Schwarz, 1938) – valid
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Tetragona mayarum (Cockerell, 1912) – valid
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Tetragona perangulata (Cockerell, 1917) – valid
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Tetragona quadrangula (Lepeletier, 1836) – valid
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Tetragona trigonospila Moure, 2000 – invalid
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Tetragona truncata Moure, 1971 – valid
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Tetragona varia dispar Moure, 1950 – invalid
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Tetragona ziegleri (Friese, 1900) – valid
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Turbella tetragona (O. F. Müller, 1774) – invalid |
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| Kingdom Plantae |
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Cassiope tetragona (L.) D. Don – accepted – white arctic mountain heather
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Cassiope tetragona ssp. saximontana (Small) A.E. Porsild – not accepted
|
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Cassiope tetragona var. saximontana (Small) C.L. Hitchc. – accepted – white arctic mountain heather
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Cassiope tetragona var. tetragona (L.) D. Don – accepted – white arctic mountain heather
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Castalia tetragona (Georgi) G. Lawson – not accepted
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Columnea tetragona (Hanst.) Kuntze – not accepted
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Crantzia tetragona (Hanst.) Fritsch – not accepted
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Crassula tetragona L. – accepted
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Diodia tetragona Walter – not accepted
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Dryopteris subtetragona (Link) Maxon – not accepted
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Eucalyptus tetragona (R. Br.) F. Muell. – accepted – tallerack
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Euphorbia abyssinica var. tetragona Schweinf. – not accepted
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Euphorbia tetragona Haw. – accepted
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Goniopteris tetragona (Sw.) C. Presl – accepted
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Kneiffia tetragona (Roth) Pennell – not accepted
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Kohleria tetragona Oerst. – not accepted
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Nymphaea tetragona Georgi – accepted – pygmy water-lily, pygmy waterlily
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Nymphaea tetragona ssp. leibergii (Morong) A.E. Porsild – not accepted
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Nymphaea tetragona var. leibergii (Morong) B. Boivin – not accepted
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Oenothera tetragona Roth – not accepted
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Oenothera tetragona ssp. glauca (Michx.) Munz – not accepted
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Oenothera tetragona var. brevistipata (Pennell) Munz – not accepted
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Oenothera tetragona var. fraseri (Pursh) Munz – not accepted
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Oenothera tetragona var. hybrida (Michx.) Fernald – not accepted
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Oenothera tetragona var. latifolia (Rydb.) Fernald – not accepted
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Oenothera tetragona var. longistipata (Pennell) Munz – not accepted
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Oenothera tetragona var. riparia (Nutt.) Munz – not accepted
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Oenothera tetragona var. sharpii Munz – not accepted
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Oenothera tetragona var. velutina (Pennell) Munz – not accepted
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Pyramidula tetragona (Brid.) Brid. – accepted
|
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Staurastrum limneticum var. tetragona G. M. Smith – accepted
|
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Thelypteris tetragona (Sw.) Small – not accepted – freetip maiden fern |
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| Kingdom Protozoa |
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Lagena laevis tetragona – valid |
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