Traits taxon details
original description
(of ) Kröger, B.; Mapes, R. H. (2004). Lower Carboniferous (Chesterian) embryonic orthoceratid nautiloids. <em>Journal of Paleontology.</em> 78: 560–573. [details]
new combination reference
Kröger, B.; Mapes, R. (2007). Carboniferous Actinoceratoid Nautiloidea (Cephalopoda)— a new perspective. <em>Journal of Paleontology.</em> 81(4): 714-724., available online at https://doi.org/10.1666/pleo0022-3360(2007)081[0714:cancan]2.0.co;2 [details]
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