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Nexosispinum hesperus ssp. hesperus
Nexosispinum hesperus subsp. hesperus. Autonym. Holotype: Davey, 1979b, pl.6, fig.5; Fensome et al., 1995, fig.3 — p.1541.
Remarks: this subspecies is automatically established by the erection of Nexosispinum hesperus brevispinosum subsp. nov. (Torricelli, 2001) It is described and illustrated by Davey 1979; plate 6(1–5)].
Remarks: this subspecies is automatically established by the erection of Nexosispinum hesperus brevispinosum subsp. nov. (Torricelli, 2001) It is described and illustrated by Davey 1979; plate 6(1–5)].