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106--AVISAURUS ARCHIBALDI

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Description

project: DINOSAURIA
specimen 106

AVISAURUS ARCHIBALDI
"J. David Archibald's Bird Lizard"
Brett-Surman & Paul, 1985
Length: 45cm (1.5ft)
Weight: 200g (7oz)
Location: Montana, USA
Era: Maastrichtian age, upper Cretaceous (65 million years ago)

Classification:
Dinosauria
Saurischia
Theropoda
Tetanurae
Avetheropoda
Coelurosauria
Maniraptoriformes
Maniraptora
Aviremigia
Paraves
Avialae
Ornithurae
Ornithoraces
Enantiornithes
Avisauridae

Notes:
The youngest known Enantiornithine, Avisaurus represents a problem many Enantiornithine birds have, known from very scant fossils--in the case with Avisaurus, only a single tarsometatarsus has been published (though there is apparently an undescribed partial skeleton).
Image size
1265x796px 1.41 MB
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