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Trigonalidae has been upheld by the 2013 paper co-authored by Lelej (who had previously argued for Trigonalyidae): "the stem adopted by Cresson, who establishes the new family-group taxon, must be accepted as the correct spelling, namely Trigonalidae"
Aguiar, Alexandre P.; Deans, Andrew R.; Engel, Michael S.; Forshage, Mattias; Huber, John T.; et al. (30 August 2013). "Order Hymenoptera. In: Zhang, Z.-Q. (Ed.) Animal Biodiversity: An Outline of Higher-level Classification and Survey of Taxonomic Richness (Addenda 2013)". Zootaxa. 3703 (1): 51. doi:10.11646/zootaxa.3703.1.12.
Also see https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=154173
TRIGONALIDAE CRESSON 1887
Trigonalidae Cresson 1887: 183.
Trigonalyidae Krieger 1894: 23.
Cresson (1887) was the first to use
Trigonalys to form a family-rank name (Trigonalidae)
but this was apparently overlooked by others. Bischoff (1938)
attributed the family to Krieger (1894). Many spelling variants
have been proposed (listed in Bischoff 1938 and Weinstein &
Austin 1991) due to the ambiguity of the root of Trigonalys.
Based on Westwood's definition of the genus Nomadina: "genus
novum...Trigonalydi proximum" (Westwood, 1868) the stem of
Trigonalys is Trigonalyd-, which would make Trigonalydidae the
correct spelling (H.D. Cameron*, pers. comm.). Since the root is
ambiguous, we have used the first and most commonly used spelling,
Trigonalidae.
*H.D. Cameron: Professor of Greek and Latin; Curator, Museum of Zoology, University of Michigan.
This page is maintained by Dave Carmean, and last modified January 1998 (and again in 2014 and again in 2017). Comments or suggestions are welcomed!