FIGURE 5 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating

FIGURE 5. Variation in spine-like projections in A. persimilis (Hidalgo). Single tooth-like spines (A–B); single spines ending in a trifid apex (C); multiple spines (D–E).