The same genetic mechanism behind the development of pseudoteeth in pelagornithids has resurfaced in the herbivorous terranserans. These are simple in early forms like Dromaianser, but later species will bear far more complex pseudoteeth.

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The same genetic mechanism behind the development of pseudoteeth in pelagornithids has resurfaced in the herbivorous terranserans. These are simple in early forms like Dromaianser, but later species will bear far more complex pseudoteeth.
Dromaianser asiaticus
Among the clades that survived the extinction at the end of the Telogene were waterfowl. They quickly diversified in the aftermath, leading to the appearance of the clade Terranserae around 70 million years in the future. Terranserae is a diverse, flightless, and herbivorous clade descended from geese. Unlike the flightless anseriforms of the Cenozoic, Terranserae will do well in the new hothouse of the Proximozoic.
Dromaianser can grow up to two meters in height. Already their wings have atrophied, and are now useless for flight, but still implemented in brooding and visual display. They are swift-footed and adapted for grazing, with toothlike serrations on the bill that assist with snipping plant matter. Dromaianser lives in open grasslands, aggregating in flocks that generally contain up to 50 individuals. Males and females are the same size, but males are darker in color and have iridescent wing and tail feathers.