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Showing results for tags 'carcharocles chubutensis'.
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Troodon posted a topic in DocumentsA new publication explores the transition between C. chubtensis and C. megalodon, loss of cusplets Please note the following statement about lineage by some very influential authors: "we do not feel that the transition from angustidens to chubutensis is as marked as suggested by Cappetta (2012), given that the lineage represents a chronospecies with very gradual morphological change through time. As such, we choose to maintain a single genus for all serrated forms, given that they are easily distinguished from Otodus obliquus, and use the genus Carcharocles for subsequent taxa (C. auriculatus through C. megalodon) because the description of Carcharocles by Jordan and Hannibal (1923) precedes that of Megaselachus by Glickman (1964)." Journal of Vert Paleontology https://www.tandfonline.com/doi/full/10.1080/02724634.2018.1546732 The transition between Carcharocles chubutensis and Carcharocles megalodon (Otodontidae, Chondrichthyes): lateral cusplet loss through time Victor J. Perez , Stephen J. Godfrey, Bretton W. Kent, Robert E. Weems & John R. Nance @siteseer