Paradoxiconus is a taxon of problematic spine with a smooth tip and a striated and ornamented base,[1][2] known from phosphatic fossils from the middle Meishucunian.[3]
Paradoxiconus Temporal range:
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | incertae sedis |
Genus: | †Paradoxiconus Qian et al., 2001 |
Type species | |
Paradoxiconus typicalis |
References
edit- ^ Pyle, Leanne J.; Narbonne, Guy M.; Nowlan, Godfrey S.; Xiao, Shuhai; James, Noel P. (2006). "Early Cambrian Metazoan eggs, embryos, and phosphatic microfossils from northwestern Canada". Journal of Paleontology. 80 (5): 811–825. doi:10.1666/0022-3360(2006)80[811:ecmeea]2.0.co;2. JSTOR 4095162.
- ^ "Helmet—like Fossils from the Basal Cambrian Phosphoric Strata of China" (PDF). Acta Palaeontologica Sinica. 40 (4): 486–496. 2001. [dead link ]
- ^ Li, G.; Steiner, M.; Zhu, X.; Yang, A.; Wang, H.; Erdtmann, B. D. (2007). "Early Cambrian metazoan fossil record of South China: Generic diversity and radiation patterns". Palaeogeography, Palaeoclimatology, Palaeoecology. 254: 229–249. doi:10.1016/j.palaeo.2007.03.017.