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A Newly Hatched Coiled Nautinoid from the Permian of ItalyRoyal H. Mapes, Shuji Niko, Jiri Fryda and Alex Nützel · Journal of Paleontology · 2007
Reevaluation of the Late Carboniferous Cephalopod, <i>Brachycycloceras</i>? <i>Spectrum</i> Hansman, 1965 from Texas, USANiko, Shuji; Mapes, Royal H. · 2010
Early Carboniferous Nautiloids from the Ruddell Shale Member in Arkansas, Midcontinent North AmericaNiko, Shuji; Mapes, Royal H. · Paleontological Research · 2015
Coiled Nautiloids from the Lower Carboniferous Fayetteville Formation in Arkansas, Midcontinent North AmericaNiko, Shuji; Mapes, Royal H. · Paleontological Research · 2016
Early Carboniferous trigonoceratid nautilids from the Pitkin Formation of Arkansas, Midcontinent North AmericaNIKO, SHUJI; MAPES, ROYAL H. · Paleontological Research · 2005
Late Carboniferous Coiled Nautiloids from the Lost Branch Formation of Oklahoma, Midcontinent North AmericaNiko, Shuji; Mapes, Royal H. · Paleontological Research · 2016
A new Early Carboniferous nautilid from the Caney Formation of Oklahoma, Central North AmericaNiko, Shuji; Mapes, Royal H. · Paleontological Research · 2004
CorrigendumPaleontological Research · 2013
CorrigendumPaleontological Research · 2012
Constructional morphology of cerithiform gastropodsSÄLGEBACK, JENNY; SAVAZZI, ENRICO · Paleontological Research · 2006
PrefaceOji, Tatsuo; Amano, Kazutaka · Paleontological Research · 2011
The Burgess Shale, retrospect and prospectWhittington, Harry B. · Paleontological Research · 2003
CorrigendumPaleontological Research · 2017
Ptycholophous Lophophore in a Productidine BrachiopodShiino, Yuta; Yamada, Shokei; Suzuki, Yutaro; Suzuki, Chisato · Paleontological Research · 2011