| sphen | the anterior tip of the parietal bone |
|---|---|
| sphen | comprising all existing penguins |
| sphen | flightless cold-water seabirds: penguins |
| sphen | penguins |
| sphen | type genus of the Spheniscidae: jackass penguins |
| sphen | small penguin of South America and southern Africa with a braying call |
| sphen | coextensive with the order Rhynchocephalia: tuataras |
| sphen | only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand |
| sphen | butterfly-shaped bone at the base of the skull |
| sphen | butterfly-shaped bone at the base of the skull |
| sphen | the irregularly shaped area on either side of the cranium where the frontal bone and the anterior tip of the parietal bone and the temporal bone and the greater wing of the sphenoid bone meet |
| sphen | the irregularly shaped area on either side of the cranium where the frontal bone and the anterior tip of the parietal bone and the temporal bone and the greater wing of the sphenoid bone meet |