Günther, Albert (1867-12-31). "Contribution to the anatomy of Hatteria (Rhynchocephalus, Owen)". Philosophical Transactions of the Royal Society of London. 157: 595–629. doi:10.1098/rstl.1867.0019. ISSN0261-0523.
Hanna RR (March 2002). "Multiple injury and infection in a sub-adult theropod dinosaur Allosaurus fragilis with comparisons to allosaur pathology in the Cleveland-Lloyd Dinosaur Quarry collection". Journal of Vertebrate Paleontology. 22 (1): 76–90. doi:10.1671/0272-4634(2002)022[0076:MIAIIA]2.0.CO;2. S2CID85654858.
Hanna RR (March 2002). "Multiple injury and infection in a sub-adult theropod dinosaur Allosaurus fragilis with comparisons to allosaur pathology in the Cleveland-Lloyd Dinosaur Quarry collection". Journal of Vertebrate Paleontology. 22 (1): 76–90. doi:10.1671/0272-4634(2002)022[0076:MIAIIA]2.0.CO;2. S2CID85654858.
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Günther, Albert (1867-12-31). "Contribution to the anatomy of Hatteria (Rhynchocephalus, Owen)". Philosophical Transactions of the Royal Society of London. 157: 595–629. doi:10.1098/rstl.1867.0019. ISSN0261-0523.