Grimaldi et al., 1997: 24 (notes); Engel & Grimaldi, 2005: 11 (diagnosis, comments); Barden & Grimaldi, 2012: 4 (diagnosis); Perrichot et al., 2016: Suppl. Info. (species key); Barden, 2017: 2 (checklist); Cao et al., 2020: 2 (diagnosis); Perrichot et al., 2020: 16 (genus and species key); Lattke & Melo, 2020: 10 (all species key).
Fossil: 4 valid species
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