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First unequivocal record of the hybodont shark egg capsule Palaeoxyris in the Mesozoic of North America. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 255(3), 327–344
DOI: 10.1127/0077-7749/2009/0028
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Resemblance of Palaeoxyris and modern heterodontid egg capsules [Abstract]. Erlanger Geologische Abhandlungen, Sonderband 6, 85
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The first Mesozoic record of the enigmatic fossil Palaeoxyris from North America; Chinle Formation, Petrified Forest National Park. In PARKER, W.G., ASH, S.R. & IRMIS, R.B. (Eds.): A Century of Research at Petrified Forest National Park: Geology and Paleontology. Museum of Northern Arizona Bulletin, 62: 150–151