Arrhopalites
Arrhopalites caecus- and pygmaeus- group of species or separate genera? Stach (1945: 7) composes the species of genus Arrhopalites into two groups: caecus -group with anterior distal spine on dens and small cuticular spines on anal valves, and pygmaeus -group without anterior distal spine on dens an...
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Zenodo
2009
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Online Access: | https://dx.doi.org/10.5281/zenodo.5618651 https://zenodo.org/record/5618651 |