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Paul E. Olsen; Dennis V. Kent; Jessica H. Whiteside (2010). "Implications of the Newark Supergroup-based astrochronology and geomagnetic polarity time scale (Newark-APTS) for the tempo and mode of the early diversification of the Dinosauria". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 101 (3–4): 201–229. Bibcode:2010EESTR.101..201O. doi:10.1017/S1755691011020032. S2CID16123732.
Barrett, Paul M.; Xu Xing (2005). "A reassessment of Dianchungosaurus lufengensis Yang, 1982a, an enigmatic reptile from the Lower Lufeng Formation (Lower Jurassic) of Yunnan Province, People's Republic of China". Journal of Paleontology. 79 (5): 981–986. doi:10.1666/0022-3360(2005)079[0981:ARODLY]2.0.CO;2. ISSN0022-3360. S2CID89542580.
Paul E. Olsen; Dennis V. Kent; Jessica H. Whiteside (2010). "Implications of the Newark Supergroup-based astrochronology and geomagnetic polarity time scale (Newark-APTS) for the tempo and mode of the early diversification of the Dinosauria". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 101 (3–4): 201–229. Bibcode:2010EESTR.101..201O. doi:10.1017/S1755691011020032. S2CID16123732.
Butler, Richard J.; Porro, Laura B.; Norman, David B. (2008). "A juvenile skull of the primitive ornithischian dinosaur Heterodontosaurus tucki from the 'Stormberg' of southern Africa". Journal of Vertebrate Paleontology. 28 (3): 702–711. doi:10.1671/0272-4634(2008)28[702:AJSOTP]2.0.CO;2. ISSN0272-4634. S2CID86739244.
Barrett, Paul M.; Xu Xing (2005). "A reassessment of Dianchungosaurus lufengensis Yang, 1982a, an enigmatic reptile from the Lower Lufeng Formation (Lower Jurassic) of Yunnan Province, People's Republic of China". Journal of Paleontology. 79 (5): 981–986. doi:10.1666/0022-3360(2005)079[0981:ARODLY]2.0.CO;2. ISSN0022-3360. S2CID89542580.
Butler, Richard J.; Porro, Laura B.; Norman, David B. (2008). "A juvenile skull of the primitive ornithischian dinosaur Heterodontosaurus tucki from the 'Stormberg' of southern Africa". Journal of Vertebrate Paleontology. 28 (3): 702–711. doi:10.1671/0272-4634(2008)28[702:AJSOTP]2.0.CO;2. ISSN0272-4634. S2CID86739244.