U.S. flag

An official website of the United States government

Format

Send to:

Choose Destination

Sirenia

An order of heavy-bodied, slow-moving, completely aquatic, herbivorous mammals. The body is fusiform, plump, and hairless, except for bristles on the snout. Hindlimbs are absent, the forelimbs are modified to flippers, and the tail is a horizontal fluke. (From Scott, Concise Encyclopedia Biology, 1996)

Year introduced: 1999

PubMed search builder options

Subheadings:

Tree Number(s): B01.050.150.900.649.313.250.750

MeSH Unique ID: D020453

Registry Number: txid9774

Previous Indexing:

Supplemental Content

Loading ...