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AVIATYRANNIS

a carnivorous tyrannosauroid theropod dinosaur from the Late Jurassic of Portugal.
image
Pronunciation: AY-vi-uh-TIE-ran-iss
Meaning: Grandmother Tyrant
Author/s: Rauhut (2003)
Synonyms: None known
First Discovery: Guimarota, Portugal
Chart Position: 438

Aviatyrannis jurassica

Jurassic grandmother tyrantEtymology
Aviatyrannus is derived from the Latin "avia" (grandmother) and "tyrannis" (feminine form of lizard). The species epithet, jurassica, refers to its Jurassic age.
Discovery
The remains of Aviatyrannis jurassica were recovered from a lignitic coal seam within the Alcobaca Formation at Guimarota, close to Leiria, Central Portugal.
The Holotype (IPFUB Gui Th 1) is a right ilium (hip bone), 90 mm long. A fragmentary ilium (IPFUB Gui Th 2) and another hip bone; a partial right ischium (IPFUB Gui Th 3) were also referred to Aviatyrannis by Oliver Rauhut in 2003, as were several teeth that Jens Zinke described in 1998.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Jurassic
Stage: Kimmeridgian
Age range: 156-151 mya
Stats:
Est. max. length: 1 meters
Est. max. hip height: ?
Est. max. weight: 5 Kg
Diet: Carnivore
References
• Rauhut O.W.M. (2000) "The dinosaur fauna from the Guimarota mine". Page 75-82 in Martin and Krebs (eds.) "Guimarota—A Jurassic Ecosystem". Verlag Dr. Friedrich Pfeil, Munich.
• Rauhut O.W.M. (2003) "A tyrannosauroid from the Upper Jurassic of Portugal". The Palaeontological Association: Palaeontology 46(5): 903-910.
• Naish D. (2009) "The Great Dinosaur Discoveries".
• Zinke J (1998) "Small theropod teeth from the Upper Jurassic coal mine of Guimarota (Portugal)". Paläontologische Zeitschrift 72: 179-189.
• Paul GS (2010) "The Princeton Field Guide to Dinosaurs". Page 100. Princeton University Press.
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To cite this page:
Atkinson, L. "AVIATYRANNIS :: from DinoChecker's dinosaur archive".
›. Web access: 15th Dec 2017.
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