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The Late Jurassic neoselachian Macrourogaleus FOWLER,1947 is a palaeospinacid shark(Elasmobranchii;Synechodontiformes)
Neoselachii Palaeospinacidae Macrourogaleus Late Jurassic
2009/10/20
The taxonomy of palaeospinacid sharks (Chondrichthyes, Neoselachii) is reviewed. New skeletal material from the famous Late Jurassic lithographic limestones of southern Germany (Solnhofen area and Nus...
Variation of the synarcual in the California Ray,Raja inornata (Elasmobranchii:Rajidae)
Fused anterior vertebrae Computed tomography
2009/10/20
Seven juvenile specimens of Raja inornata were CT scanned and digitally modeled to examine the variation of synarcual morphology with changing size. The synarcual is a highly variable skeletal element...