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Spiniferella cornuta subsp. flexa
| cornuta subsp. flexa | |
| He Chengquan (1991) | |
| Williams, G.L., Lentin, J.K. and Fensome, R.A., (1998) | |
| S_cornuta_ssp_flexa, He et al., 2009, Nanjing Institute of Geology and Palaeontology, Nanjing 2100089.jpg | |
| active | |
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No synonyms
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