Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico Author Bousquet, Yves Agriculture and Agri-Food Canada, Central Experimental Farm, Ottawa, Ontario, Canada bousquety1@yahoo.com text ZooKeys 2012 2012-11-28 245 1 1722 http://dx.doi.org/10.3897/zookeys.245.3416 journal article http://dx.doi.org/10.3897/zookeys.245.3416 1313-2970-245-1 FFFF52503A0AFF882450FFB66D45FF8E 578462 Subgenus Batenus Motschulsky, 1865 Batenus Motschulsky, 1865: 317. Type species: Harpalus livens Gyllenhal, 1810 by original designation. Etymology. Uncertain, possibly from the Greek bates (walker) and the Latin suffix - enus (pertaining to) [masculine]. Platynidius Casey, 1920: 4. Type species: Feronia hypolithos Say, 1823 by original designation. Synonymy established by Liebherr (1990: 434). Paranchomenus Casey, 1920: 30. Type species: Platynus stygicus LeConte, 1854 (= Anchomenus mannerheimii Dejean, 1828) designated by Bousquet and Larochelle (1993: 262). Synonymy established by Bousquet and Larochelle (1993: 262). Etymology. From the Greek para (near, beside) and the generic name Anchomenus [ q.v .] [masculine]. Pseudoplatynus Habu, 1973b: 11. Type species: Anchomenus magnus Bates, 1873 by original designation. Synonymy established by Kryzhanovskij et al. (1995: 117). Etymology. From the Greek pseudos (fallacy, lie) and the generic name Platynus [ q.v .] [masculine]. Platynomenus Adam , 1996: 12. Type species: Carabus scrobiculatus Fabricius, 1801 by original designation. Synonymy established by Lorenz (1998: 406). Etymology. From the generic name Platynus [ q.v .] and the Greek menos (force, strength) [masculine]. Diversity. Forty-four species are recorded by Lorenz (2005: 429-430), five in the Nearctic Region, with one of them Holarctic, and 40 in the Palaearctic Region. A number of Palaearctic species considered as incertae sedis by Lorenz (2005: 433-434) have been listed in this subgenus by Bousquet (2003c: 462-464).