Hyman LH 1952 (citation)- p 196, 'In re-investigating from the original material Leptoplana angusta Verrill, 1892, now known to be native to the southern part of the Atlantic coast, I tentatively placed it in the genus Stylochoplana while recognizing some lack of conformity with this genus. Dr. Ernesto Marcus of the University of São Paulo, Brazil, kindly called my attention to the genus Zygantroplana Laidlaw, 1906, which I had unfortunately overlooked. Verrill's species fits perfectly into this genus and hence its name becomes Zygantroplana angusta. It is interesting to note that a species of Zygantroplana, so similar to angusta that it should probably be regarded as a geographic variant of the latter, is very common on the Brazilian coast near São Paulo (Correa, 1949). This would be the first instance of a similarity in Turbellarian fauna between Florida and Brazil.'
Notes for the valid (accepted) taxonomic name
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