Paradoxiconus

Paradoxiconus; Temporal range:
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	incertae sedis
Genus:	†Paradoxiconus; Qian et al., 2001
Type species
	Paradoxiconus typicalis;

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]

References

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.
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.

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[1] 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.

[2] "Helmet—like Fossils from the Basal Cambrian Phosphoric Strata of China" (PDF). Acta Palaeontologica Sinica. 40 (4): 486–496. 2001.

[Li2007-3] 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.