Skip to main content
Pinguinus impennis Alca torda Alle alle Uria aalge Uria lomvia Synthliboramphus wumizusume Synthliboramphus antiquus Synthliboramphus craveri Synthliboramphus hypoleucus Cepphus columba Cepphus carbo Cepphus grylle Brachyramphus marmoratus Brachyramphus brevirostris Brachyramphus perdix Aethia pygmaea Cyclorrhynchus psittacula Aethia cristatella Aethia pusilla Ptychoramphus aleuticus Fratercula corniculata Fratercula arctica Fratercula cirrhata Cerorhinca monocerata Stercorariidae Laridae Jacanidae Procellariiformes Sphenisciformes Gaviiformes
0 30 60 90 102 Time (MYA)
Name:
Clade Size:
Estimated Time: