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Potamosiren Temporal range: Mid Miocene (Laventan) ~13.8–11.8 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Sirenia
Family:	Trichechidae
Subfamily:	Trichechinae
Genus:	†Potamosiren Reinhart 1951
Species
Potamosiren magdalensis Reinhart, 1951 (type)

Potamosiren is an extinct genus of manatee from the Middle Miocene (Laventan) Honda Group of Colombia.

Phylogeny

A 2014 cladistic analysis of extinct sirenians recovers Potamosiren as a close relative of modern manatees.

See also

• Evolution of sirenians

References

1. Potamosiren at Fossilworks.org
2. M. Voss. 2014. On the invalidity of Halitherium schinzii Kaup, 1838 (Mammalia, Sirenia), with comments on systematic consequences. Zoosystematics and Evolution 90(1):87-93

v t e Paleontology in Colombia
Notable researchers	After 1900 Etayo Hammen Hettner Hoffstetter Páramo 19th century Cuvier Humboldt
Major fossiliferous stratigraphic units	Pleistocene Sabana Fm. Tibitó Soatá Fm. Neogene Barzalosa Fm. Castilletes Fm. Honda Group La Venta Jimol Fm. Uitpa Fm. Ware Fm. Paleogene Bogotá Fm. Cerrejón Fm. Cerrejón Cretaceous La Frontera Fm. Hiló Fm. Hondita Fm. Oliní Gp. Paja Fm. Jurassic Arcabuco Fm. Valle Alto Fm. Devonian Cuche Fm. Floresta Fm.
Notable fossils	Pleistocene Gomphotheres Megatherium Honda Gp. Anachlysictis Aramus paludigrus Balanerodus Boreostemma Cebupithecia Colombophis Dracaena colombiana Dukecynus Eunectes stirtoni Galbula hylochoreutes Granastrapotherium Gryposuchus Hilarcotherium Hoazinoides Hondadelphys Huilatherium Lagonimico Langstonia Lycopsis Micodon Miocallicebus Miocochilius Mohanamico Mourasuchus Neotamandua Nuciruptor Patasola Potamosiren Purussaurus Saimiri annectens Saimiri fieldsi Stirtonia Xenastrapotherium Gualanday Gp. Colombitherium Bogotá Fm. Etayoa Cerrejón Fm. Acherontisuchus Anthracosuchus Carbonemys Cerrejonemys Cerrejonisuchus Montrichardia aquatica Puentemys Titanoboa Oliní Gp. Eonatator Hondita Fm. Pachyrhizodus etayoi Yaguarasaurus Hiló Fm. Ammonites Paja Fm. Acostasaurus Callawayasaurus Desmatochelys Kronosaurus Leivanectes Leyvachelys Muiscasaurus Padillasaurus Platypterygius Sachicasaurus Stenorhynchosaurus Arcabuco Fm. Dinosaur tracks Valle Alto Fm. Flora Cuche Fm. Antarctilamna Asterolepis Bothriolepis Holoptychius Pterygotus Strepsodus Floresta Fm. Trilobites
Category • Images

v t e Sirenian genera
Kingdom: Animalia Phylum: Chordata Class: Mammalia Superorder: Afrotheria Clade: Paenungulata
Sirenia	†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae †Miosireninae Anomotherium Miosiren Trichechinae †Potamosiren †Ribodon Trichechus Dugongidae †Anisosiren †Caribosiren †Halitherium †Indosiren †Lentiarenium †Kaupitherium †Metaxytherium †Paralitherium †Priscosiren †Prohalicore †Stegosiren †Sirenavus †Hydrodamalinae Dusisiren Hydrodamalis Dugonginae †Bharatisiren †Callistosiren †Crenatosiren †Corystosiren †Culebratherium †Dioplotherium †Domningia Dugong †Italosiren †Kutchisiren †Nanosiren †Norosiren †Rytiodus †Xenosiren

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• v
• t
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• Trichechidae
• Prehistoric placental genera
• Miocene sirenians
• Miocene mammals of South America
• Laventan
• Neogene Colombia
• Fossils of Colombia
• Honda Group, Colombia
• Fossil taxa described in 1951
• Prehistoric afrotherian stubs