Siphonaria crebricostata Jay 1839

Siphonaria crebricostata Jay, 1839 Introduced by Jay (1839: 39) as a nomen nudum and attributed to Nuttall without description this is an unavailable name (Art. 12.1 of the Code; see also White & Dayrat, 2012: 62). It was listed as a synonym and therefore not made available subsequently by Catlow & Reeve (1845: 100), Jay (1850: 104), Reeve (1856: pl. 2, species 9), Paetel (1873: 117, 1875: 92, 1883: 178, 1889: 428), Pilsbry (1920b: 379), Schrenck (1867: 306), Hutton (1880: 36), and Hubendick (1946: 47). Galindo (1977: 416) misspelled the name as ‘ crebicostata ’. Siphonaria crebidentata Smith in Galindo (1977: 416) is a separate emendation referring to this nomen nudum. Because S. crebricosta is not an available name, the lectotype designation by Baker (1964: 159) is also invalid (Art. 74.2 and 5 of the Code).