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Roger W. Portell
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Journal Article
Journal: Paleobiology
Published: 01 August 2020
Paleobiology (2020) 46 (3): 356–378.
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Journal Article
Journal: PALAIOS
Published: 29 May 2020
PALAIOS (2020) 35 (5): 215–227.
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Journal Article
Journal: Paleobiology
Published: 01 May 2020
Paleobiology (2020) 46 (2): 259–271.
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Journal Article
Journal: PALAIOS
Published: 30 October 2018
PALAIOS (2018) 33 (10): 478–486.
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Journal Article
Journal: Geology
Published: 20 December 2017
Geology (2018) 46 (2): 131–134.
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Journal Article
Journal: PALAIOS
Published: 01 September 2013
PALAIOS (2013) 28 (9): 599–613.
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Journal Article
Published: 28 June 2013
Geological Magazine (2014) 151 (3): 381–393.
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Journal Article
Published: 04 April 2013
Journal of the Geological Society (2013) 170 (3): 527–534.
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Journal Article
Published: 01 July 2009
Journal of Paleontology (2009) 83 (4): 562–574.
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Journal Article
Published: 01 February 2004
Journal of Paleontology (2004) 78 (2): 424–429.
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Journal Article
Published: 01 May 1995
Journal of Paleontology (1995) 69 (3): 588–590.
Journal Article
Published: 01 March 1991
Journal of Paleontology (1991) 65 (2): 271–276.
Journal Article
Journal: PALAIOS
Published: 01 June 1990
PALAIOS (1990) 5 (3): 244–258.
Journal Article
Published: 01 January 1988
Journal of Paleontology (1988) 62 (1): 126–132.