Corystosiren

Corystosiren; Temporal range: Early Pliocene
	File:Corystosiren varguezi, Nanosiren garciae.jpg
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Sirenia
Family:	Dugongidae
Subfamily:	Dugonginae
Genus:	†Corystosiren; Domning, 1990
Species
	C. varguezi Domning, 1990 (type);

Corystosiren is an extinct genus of dugongid sirenian mammal which existed in the waters of the Caribbean Basin during the Early Pliocene. Fossils have been found in the Yucatán Peninsula, Mexico, and Florida.^[1]

Palaeobiology

Corystosiren varguezi, based on its high δ¹³C values, was a specialist that fed primarily on seagrasses.^[2]

^ D. P. Domning. 1990. Fossil Sirenia of the West Atlantic and Caribbean Region, IV. Corystosiren varguezi, gen. et sp. nov. Journal of Vertebrate Paleontology 10(3):361-371
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