''Hippodonta'' is a genus of

diatom A diatom (Neo-Latin ''diatoma'') is any member of a large group comprising several Genus, genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of Earth's B ...

s belonging to the family

Naviculaceae Naviculaceae is a diatom family in the order Naviculales. Naviculaceae are typically composed of lineate areolae, one of the many forms of areolae. Some of the other areolae are punctate (''Gomphoneis'') and loculate (''Diploneis''). These can b ...

. There have been ''Hippodonta'' specimens found in the fossil record. The genus has

cosmopolitan distribution In biogeography, a cosmopolitan distribution is the range of a taxon that extends across most or all of the surface of the Earth, in appropriate habitats; most cosmopolitan species are known to be highly adaptable to a range of climatic and en ...

, and have been found in

ancient lakes Ancient history is a time period from the beginning of writing and recorded human history through late antiquity. The span of recorded history is roughly 5,000 years, beginning with the development of Sumerian cuneiform script. Ancient hi ...

around the world.(PDF) Observations on Hippodonta (Bacillariophyceae) in selected ancient lakes
''researchgate.org,'' Retrieved 23 July 2025.

Species

This genus contains the following species:Hippodonta , Genera - Diatoms of North America
''diatoms.org,'' Retrieved 23 July 2025. *'' Hippodonta abunda'' *'' Hippodonta acus'' *'' Hippodonta acuta'' * ''Hippodonta affinis'' * ''Hippodonta angustata'' * ''Hippodonta avittatiformis'' * ''Hippodonta baicalocostulata'' M.S.Kulikovskiy, Lange-Bert. & Metzeltin, 2012 * ''Hippodonta baicalorostrata'' Metzeltin, M.S.Kulikovskiy & Lange-Bert., 2012 * ''Hippodonta capitata'' Lange-Bert., Metzeltin and Witkowski, 1996 * ''Hippodonta certa'' * ''Hippodonta cocquytiae'' * ''Hippodonta communis'' * ''Hippodonta conspicua'' * ''Hippodonta costulatiformis'' * ''Hippodonta coxiae'' Lange-Bert. 2001 * ''Hippodonta crassa'' * ''Hippodonta dulcis'' M.Potapova, 2013 * ''Hippodonta elegans'' H.Lange-Bertalot, M.S.Kulikovskiy & D.Metzeltin, 2012 * ''Hippodonta exigua'' * ''Hippodonta gravistriata'' Potapova, 2013 * ''Hippodonta humboldtiana'' * ''Hippodonta hungarica'' Lange-Bert., Metzeltin and Witkowski 1996 * ''Hippodonta jakubii'' M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012 * ''Hippodonta khursevichiae'' M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012 * ''Hippodonta kornevae'' M.S.Kulikovskiy, Lange-Bert. & Metzeltin in Kulikovskiy et al., 2012 * ''Hippodonta lange-bertalotii'' B.Van de Vijver, G.Mataloni & A.Vinocur, 2012 * ''Hippodonta latelanceolata'' * ''Hippodonta luneburgensis'' (Grunow) Lange-Bertalot, D.Metzeltin & A.Witkowski * ''Hippodonta media'' * ''Hippodonta minuta'' * ''Hippodonta naviculiformis'' * ''Hippodonta pseudacceptata'' Lange-Bert. 1996 * ''Hippodonta pulchra'' * ''Hippodonta radiata'' * ''Hippodonta rostratoides'' * ''Hippodonta subrostrata'' * ''Hippodonta yunetayakhiensis'' Genkal & Yarushina

References

Naviculales Diatom genera {{diatom-stub