Mammalia - Sirenia - Dugongidae
Synonyms: Hydrodamalis spissa Furusawa 1988, Hydrodamalis spissus Furusawa 1988
Full reference: D. P. Domning. 1978. Sirenian evolution in the North Pacific Ocean. University of California Publications in Geological Sciences 118:1-176
Belongs to Hydrodamalis according to M. Voss 2014
See also Domning 1978, Domning 1994, Domning 1996, Domning 2008, Domning and Furusawa 1995, Furusawa 1988, Furusawa 1990, Furusawa 2005 and Furusawa and Kohno 1994
Sister taxa: Hydrodamalis gigas, Haligyna borealis
Type specimens:
- Hydrodamalis cuestae: UCMP 86433, a partial skeleton. Its type locality is Avilla Beach W, which is in a Piacenzian offshore shelf sandstone in the Pismo Formation of California.
- Hydrodamalis spissa: TMANH 0001, a partial skeleton (partial skull & skeleton).
Ecology: aquatic herbivore
Distribution:
• Pliocene of Japan (4 collections), Mexico (1), United States (7: California)
• Hemphillian of United States (1: California)
• Miocene of United States (2: California)
Total: 15 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.