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Zapsalis is known only from its teeth, not from any other bones. Scientists call it a 'tooth taxon'.1
The name Zapsalis means 'thorough scissors' in Greek, because its teeth look like sharp scissors.1
Zapsalis lived between about 85 and 66 million years ago, during the Late Cretaceous.2
Its teeth have rounded denticles (little bumps) and vertical grooves, which help scientists tell them apart from other raptor teeth.1
Some scientists think Zapsalis teeth might have been used for preening feathers, like some other raptors.1
Zapsalis was named by famous fossil hunter Edward Drinker Cope in 1876, during the 'Bone Wars' with his rival Othniel Charles Marsh.1

Laaj yi ñu gën a laaj ci Zapsalis
Ku tas léeb yu dul dëgg
Léeb: Zapsalis is a complete dinosaur known from a full skeleton.
Dëgg: Zapsalis is only known from a few teeth. No other bones have been found.1
Ngir ñi xam dino lool
- Turu xam-xam
- Zapsalis
- Ku ko tudde
- Cope 18762
- Kurél
- Raptor yi
- Njaboot / klad
- Dromaeosauridae2
- Klasifikasiyoŋ
- Theropoda > Dromaeosauridae2
- Màggaayu doj yi
- 86 ba 66 milyoŋ at (Santonian / Maastrichtian)2
- Formasiyoŋi doj
- Milk River, Lance, Hell Creek2
- Réew yi
- Kanadaa, Amerig2
- Fosil yu ñu gis
- 7 ci The Paleobiology Database2
- Gisees
- Zapsalis was named by American paleontologist Edward Drinker Cope in 1876, based on a single tooth from the Judith River Formation in Montana, USA.1
- Ñu ngi koy werante ba tey
- Scientists still debate whether Zapsalis is a valid genus or just the teeth of another raptor like Saurornitholestes.1
Fa xibaar yi jóge
- Zapsalis (en.wikipedia.org)
- Zapsalis in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.
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